TABLES 

Table 1. --Amount of wire to pay out by depth range using the 

West Coast upper continental slope Nor Eastern trawl 

with mudsweep roller gear, one inch die-formed trawl 

warps, and a 2. 3 knot towing speed. 

Depth Range Wire Out Ratio 

(meters) (meters) Wire Out/Depth 

183 203 450


204 234 500


235 265 550


266 296 600


297 328 650


329 359 700


360 390 750


391 421 800


422 453 850


454 484 900


485 515 950


516 546 1000


547 578 1050


579 609 1100


610 640 1150


641 671 1200


672 703 1250


704 734 1300


735 765 1350


766 796 1400


797 828 1450


829 859 1500


860 890 1550


891 921 1600


922 953 1650


954 984 1700


985 1015 1750


1016 1046 1800


1047 1078 1850


1079 1109 1900


1110 1140 1950


1141 1171 2000


1172 1202 2000


1203 1234 2000


1235 1265 2000

Table 2. --Latitude boundaries, depth stratum areas (kID?), and sampling densities 

by International North Pacific Fisheries Commission (INPFC) statistical 

area based on successful tows during the 1997 West Coast upper continental 

slope bottom trawl surveys. 

stratum 1


(183-366 m)


INPFC Area/ Area No. Hauls/ Area 

Lati tude bounds (km2 Hauls , 000km2 (km2 

U. S. -Vancouver


470 30' Border


Columbia


430 00' - 470 30 


Eureka


400 30' - 430 00'


Monterey


360 00' 400 30'


Conception


340 30' - 360 00'


Entire Survey Area 

181 1. 7 412


025 741


076 103


771 727


198 288


250 272


stratum 5


(915-1 097 m)


stratum 2 stratum 3 stratum 4


(367-549 m) (550-732 m) (733-914 m)


No. Hauls/ Area No. Hauls/ Area No. Hauls/ 

Hauls , 000km2 (km2 Hauls , 000km2 (km2 Hauls , OOOkm 

517 1. 9 611 1. 6


610 354


671 719


010 074 

417 547


224 305


Stratum 6 All Strata Combined


098-1 280 m) (183-1 280 m)


No. Hauls/ Area No. Hauls/ 

Hauls , 000km2 (km2 Hauls , 000km2 

1. 9 919


17 , 506


918


12, 191


10, 597


53, 130 182


340 30' - Border


INPFC Area/


Latitude bounds


U. s. -Vancouver 

470 30' Border


Columbia


430 00' - 470 30 


Eureka


400 30' - 430 00'


Monterey


360 00 I 400 30 I


Conception


340 30 ' - 360 00'


Area No. Hauls/ Area 

(km2 Hauls , 000km2 (km2 

668 529


383 393


951 399


250 359


Entire Survey area 

340 30 I - Border


869 279


121 957

Table 3. --Biological data collected during the 1997 West Coast upper continental 

slope groundf ish trawl survey. 

Common Name of


Fish Species


Arrowtooth flounder 

Dover sole 

Sablefish 

Pacific grenadiei


Giant grenadier


Pacific bake


Shortspine thornyhead


Longspine thornyhead


Rougheye rockfish


Darkblotched rockfish


Spli tnose rockfish 

Greenstriped rockfish 

Rosethorn rockfish


Blackgill rockfish 

Sharpchin rockfish 

Pathology DNA 

Age Fish Tissue Tissue Stomach 

Structures Weights Maturities Samples Samples Samples 

238 236 196 

734 732 724 

529 528 486 

789 786 810 

614 

838 

702 702 

455 455 

107 107 

530 529 384 
~ab1e 4. --Frequency of occurrence , depth , and 1atitude ranges for fish species


caught during the 1997 West Coast upper continenta1 s1ope bottom traw1


survey. 

Family and Scientific Name


Myxinidae 

Eptatretus deani


Eptatretus stouti 

Petromyzontidae 

Lampe tra tr i den ta ta 

Chimeridae 

Hydrolagus colliei


Scyliorhinidae 

Apristurus sp. 

Apristurus brunneus 

Apristurus kampae 

Parma turus xani urus 

Squalidae 

Somniosus pacificus


Squalus acanthias


Rajidae 

Bathyraja O abyssicola 

Bathyraja aleutica 

Bathyra)a interrupta


Bathyraja trachura 

Raja binoculata


Raja rhina

Torpedinidae 

Torpedo californica


Nemi ch thy i dae 

Avocettina infans 

Nemichthyidae 

Nemichthys scolopaceus 

Nemichthys larseni


Serri vomeridae 

Serrivomer sector 

Saccopharyngidae 

Saccopharynx sp. 

Eurypharyngi dae 

Eurypharynx pelecanoides 

Clupeidae 

Alosa sapidissima 

Cl upea pallasi 

Sardinops sagax 

Engraulidae 

Engraulis mordax


Argen tinidae 

Argentinidae 

Argentina sialis


Bathylagidae 

Bathylagidae unident. Bathylagus sp. 

Frequency 

Common Name


Occurrence 

Black hagfish 112 

Paci fic hagfish 

Pacific lamprey


Spotted rat fish 

Cat shark unident.


Brown cat shark 139


Longnose cat shark


Filetail cat shark


Paci fic sleeper shark


Spiny dogfish


Deepsea skate


Aleutian skate


Bering skate 

Black skate 

Big skate 

Longnose skate 

Pacific electric ray


Blackline snipe eel 

Snipe eel unident.


Slender snipe eel 

Sawtooth eel 

Umbrellamouth gulper


American shad 

Pacific herring


Pacific sardine


Northern anchovy


Argentine unident. 

Pacific argentine


. Deepsea smelt unident. 

Blacksmel t unident. 110 

Latitude 

Range 

Depth (m) (ddmm) d 

Hin . Max. Mean South North 

200 247 834 3429 4807 

200 200 200 4048 4048 

183 425 304 4450 4642 

181 201 363 3429 4807 

604 113 908 3932 4051 

193 247 697 3429 4738 

367 253 039 3549 4026 

327 936 536 3429 3958 

044 201 120 3527 4619 

181 942 405 3429 4807 

644 247 077 3431 4648 

425 478 452 4450 4737 

181 059 401 3429 4807 

565 253 004 3431 4804 

183 379 261 4457 4807 

181 069 428 3429 4807 

196 893 382 3525 4028 

965 205 069 3431 3549 

824 177 076 3431 4736 

782 935 859 4455 4518 

770 128 945 3432 3902 

790 247 067 3431 3951 

133 205 169 3549 4209 

040 177 101 3431 3903 

196 205 200 3714 4807 

193 644 313 3502 4738 

335 367 351 3552 3957 

193 478 292 3502 3806 

196 205 201 3714 3806 

193 437 300 3429 3526 

555 085 776 3454 4052 

417 253 919 3431 4804 
Table 4. --Continued. 

Family and Scientific Name


Bathylagidae (continued) 

Leuroglossus sp. 

Leuroglossus schmidti 

Leuroglossus stilbius


Opisthoproctidae 

Dolichopteryx sp. b 

Macrop~nna microstoma 


Osmeridae 

Osmeridae 

Thaleichthys pacificus


Salmonidae 

Oncorhynchus tshawytscha 

~ epocephali dae 

Alepocephalus sp. 

Alepocephalus tenebrosus 

Bathylaco nigricans


Talismania bifurca 


Searsiidae 

Maulisa mauli 


Sagamichthys abei 

Sternoptychidae 

Argyropelecus sp. Sternoptyx sp. 

Sternoptychidae unident. Gonos toma ti dae 

Cycl thane sp. b 

Gonostomatidae 

Stom1idae 

Aristostom~as sc~ntillans 

Ba thophil us flemingi 

Chauliodus macouni 

Idiacanthus antrostomus 

Melanostomiidae 

Neonesthes capensis 

Stomias atr~ venter Tactostoma macropus 


Scopelarchidae 

Benthalbella sp. 

Benthalbella dentata


NotosUclidae 

Scopelosaurus harryi


Scopelosaurus unident. 

Paralepiclidae 

Notolepsis r~sso


Paralepididae Anotopteridae 

Anotopterus pharao


~episauridae 

Alepisaurus ferox 

Myctophidae Cera toscopel us townsendi 

Diaphus sp. 

Frequency 

Common Name


Occurrence 

Northern smoothtongue


California smoothtongue


Barreleye 

Smel t unident. 

Eulachon 

Chinook salmon


California slickhead 105


Bony throat


Threadfin slickhead


Shining tubeshoulder


Hatchetfish unident.


Hatchet fish unident.


Bristlemouth unident. 

Shining loosej 

Highfin dragonfish


Pacific viperfish


Pacific blackdragon


Dragonfish unident. 

Blackbelly dragonfish


Longtin dragonfish


Northern pearleye 

Scaly paperbone


. Ribbon bar racudina 

Barracudina unident. 

Daggertooth 

Longnose lancettish


Latitude 

Range 

Depth (m) (ddmm) d Min. Max. Mean South North 

077 077 077 4209 4209 

555 128 795 3433 3929 

581 583 582 3429 3429 

654 654 654 4645 4645 

942 942 942 4736 4736 

585 585 585 3500 3500 

259 379 319 4617 4711 

186 303 219 3806 4807 

790 069 930 3433 4116 

327 253 932 3431 4804 

188 188 188 4648 4648 

584 247 901 3431 4804 

064 205 135 3548 3549 

585 188 835 3500 4648 

369 205 735 3429 4428 

024 128 065 3526 3715 

555 177 837 3431 4736 

681 128 006 3454 4026 

893 923 908 3525 3929 

196 194 818 3431 4736 

585 201 971 3431 4116 

369 253 920 3431 4804 

193 253 922 3429 4457 

555 064 798 3526 3646 

064 205 135 3548 3549 

177 241 209 3643 4355 

337 253 885 3429 4804 

565 061 773 4521 4804 

942 188 088 4117 4736 

220 220 220 4025 4025 

015 076 046 4240 4358 . 

524 128 768 3526 4210 

256 256 256 4240 4240 

770 194 047 3643 4615 

643 643 643 4735 4735 

923 923 923 3929 3929 

335 923 629 3552 3929 
Table 4. --Continued. 

Family and Scientific Name


Myctophidae (continued)

Diaphus theta 

Lampanyctus sp. 

Myctophidae 

Stenobrachi us leucopsarus 

Stenobrachi us sp. 

Symbolophorus californiens~s


Tarletonbeania crenularis


Tarletonbeania sp. 

Moridae 

Antimora microlepis


Halagyreus johnsoni 


Gadidae 

Mer 1 ucci us productus 

Microgadus proximus 

Gadus macrocephal us 

Theragra chal cogramma 

Macrouridae 

Alba trossia pectoralis 

Coryphaenoi des acral epi s 

Coryphaenoides cinereus 

Macrouridae 

Malacocephalus laevis


Nezumia liolepis


Nezumia stelgidolepis


Ophidiidae Chilara taylori 

Lamprogrammus n~ ger 

Ophidiidae 

Bythi tidae 

Cataetyx rubrirostr~s


Batrachoididae 

Porichthys notatus


Oneirodidae C


Oneirodes sp. 

Melanocetidae 

Melanocetus johnsonii 

Scomberesocidae 

Cololabis saira 

Trachipteridae 

Trachipterus al ti vel i 

Anoplogastridae 

Anoplogaster cornuta 

Melamphaidae 

Melamphaes lugubris


Melamphaidae 

Poromi tra Grassi ceps


Scorpaenidae 

Sebastolobus alascanus 

Sebastolobus al tivelis 

Sebastes aleutianus 

Sebastes alutus 

Common Name


California headlightfish


Lanternfish unident.


Northern lampfish


California lanternfish 

Blue lanternfish


Pacific flatnose


Paci fic whi ting 

Paci fic tomcod 

Pacific cod 

Walleye pollock 

Giant grenadier


Pacific grenadier


Popeye grenadier


Grenadier unident. 

Smooth grenadier


California grenadier


Spotted cusk- eel 

Paperbone cusk-eel 

Cusk- eel unident. 

Rubynose brotula


Plainfin midshipman


Common blackdevil


Pacific saury


King-of-the- sa lmon 

Fangtooth 

Highsnout bigscale 

Bigscale unident. 

Crested bigscale 

Shortspine thornyhead


Longspine thornyhead


Rougheye rockfish


Pacific ocea~ perch


Frequency 

Depth (m)

Occurrence M1n . Max . Mean 

555 555 555 

241 241 874 

114 200 253 808 

790 790 790 

335 335 335 

604 128 850 

186 184 790 

265 265 265 

119 335 253 902 

770 205 988 

143 181 205 609 

303 303 303 

200 200 200 

303 303 303 

106 565 253 948 

104 552 253 952 

688 200 996 

839 839 839 

417 417 417 

681 247 916 

285 800 503 

196 437 275 

770 867 804 

128 128 128 

432 432 432 

193 241 208 

130 130 130 

113 113 113 

242 507 . 380 

943 943 943 

580 253 1, 011 

935 181 086 

676 253 003 

775 188 115 

176 181 253 738 

138 409 253 854 

303 787 441 

183 468 338 

La ti tude 

Range 

(ddmm) d South North 

3526 3526 

3429 4804 

3429 4804 

3433 3433 

3552 3552 

3454 4051 

3429 4648 

4146 4146 

3431 4804 

3549 4615 

3429 4807 

4617 4617 

4807 4807 

4617 4617 

3431 4804 

3431 4804 

3548 4738 

4145 4145 

3619 3619 

3431 4644 

3502 4644 

3429 3929 

3433 3929 

3526 3526 

3526 3526 

3432 3836 

3842 3842 

3932 3932 

3526 4643 

4457 4457 

3431 4738 

3903 4804 

3548 4714 

3431 4736 

3429 4807 

3429 4804 

4306 4714 

3806 4807 
Table 4. --Continued. 

Latitude 

Frequency Range 

Family and Scientific Name


Scorpaenidae (continued) 

Sebastes aurora 

Sebastes babcocki 

Sebastes borealis 

Sebas tes brev~spin~s 

Sebastes chlorostictus 

Sebastes cramer i 

Sebastes diploproa 

Sebastes elongatus 

Sebastes entomelas 

Sebastes flavidus 

Sebas tes goodei 

Sebastes bel vomacula tUB 

Sebas tes jordani 

Sebas tes 1 ev 

Sebas tes melanostomus 

Sebastes pauc~ sp~ni s 

Sebastes pinn~ ger 

Sebastes proriger 

Sebas tes reedi 

Sebastes rosenbl at 

Sebastes rufus 

Sebastes saxicola 

Sebastes sem~cinctus 

Sebastes zacen trus 

Anoplopomatidae 

Anoplopoma fimbria


Hexagrammidae 

Ophiodon elongatus


Zan~ 01 epi s frena 

Cottidae 

Cottidae 

Icelinus filamentosus


Malacocottus kincaidi 

Psychrolutes phrictus


Radulinus asprellus


Aqonidae 

Agonidae 

Bathyagonus n~gripinn~s


Ba thyagonus pen tacan thus 

Ba thyagonus sp. 

Xeneretmus latifrons 

Xeneretmus leiops


Xeneretmus triacanthus 

Cyclopteridae Careproctus cypsel urus 

Careproctus gilberti 

Careproctus melanurus 

Careproctus sp. 

Careproctus sp. Type A 

Careproc t u sp. Type B 

Careproctus sp. Type C 

Common Narne Depth (m) (ddmm) d

Occurrence Min. Max. Mean Sou th North 

Aurora rockfish 

Redbanded rockfish


Shortraker rockfish 

Silvergray rockfish


Greenspotted rockfish 

Darkblotched rockfish 

Spli tnose rockfish 

Greenstriped rockfish 

Widow rockfish


Yellowtail rockfish 

Chilipepper 

Rosethorn rockfish 

Shortbelly rockfish


Cowcod 

Blackgill rockfish 

Bocaccio 

Canary rockfish


Redstripe rockfish 

Yellowmouth rockfish


Greenblotched rockfish 

Bank rockfish


Stripetail rockfish 

Hal fbanded rockfish 

Sharpchin rockfish 

248 893 471 3429 4714 

181 413 282 3833 4738 

303 468 383 4617 4714 

200 203 202 3836 4807 

196 208 203 3714 4028 

181 781 317 3714 4807 

181 580 324 3429 4807 

181 828 253 3714 4807 

183 242 211 3806 4807 

200 205 203 3806 4807 

181 335 236 3432 4307 

183 369 239 3836 4642 

196 346 245 3526 4115 

196 241 213 3432 3836 

196 524 421 3429 4549 

196 335 238 3432 4048 

203 242 223 3836 4207 

181 256 208 4028 4426 

248 248 248 4454 4454 

241 241 241 3432 3432 

417 417 417 3619 3619 

181 335 230 3432 4807 

242 242 242 4457 4457 

181 379 245 3714 4807 

Sablefish 181 181 253 724 3429 4807 

Li ngcod 

Shortspine combfish 

Sculpin unident. 

Threadfin sculpin 

Blackfin sculpin


Blob sculpin 

Slim sculpin 

Poacher unident. 

Blackfin poacher 

Bigeye poacher 

Poacher unident. 

Blacktip poacher


Smootheye poacher 

Bluespotted poacher


Blackfinned snail fish 

Smalldisk snailfish 

Blacktail snail fish 

Snail fish unident. 

Black careproctus 

Red careproctus


Blackgilled careproctus


183 379 255 3714 4738 

241 241 241 3432 3432 

203 203 203 3836 3836 

183 201 339 3836 4642 

417 417 417 3619 3619 

110 201 166 3951 4648 

200 346 234 3806 4115 

183 242 213 4457 4642 

186 759 511 3714 4714 

183 468 368 3500 4714 

781 781 781 4002 4002 

200 241 221 3432 4048 

248 248 248 4454 4454 

242 242 242 4457 4457 

379 253 014 3713 4648 

181 181 181 3954 3954 

200 201 605 3429 4738 

450 241 913 3432 4736 

775 220 962 3646 4025 

454 781 642 3646 4118 

456 775 621 3646 4027 
Table 4. --Continued. 

Family and Scientific Name


Cyclopteridae (continued) 

Cyclopteridae 

Paral ipar is cephal 

Paraliparis sp. 

Rhinoliparis barbulifer


Carangidae 

Trachurus symmetricus


Scomber japonicus


Caristiidae 

Caristius macropus


Embiotocidae 

Cymatogaster aggregata 

Embiotocidae 

Zoarcidae 

Bothrocara brunneum 

Lycenchelys camchatica 

Lycenchelys crotalinus 

Lycodapus endemoscotus 

Lycodapus fierasfer 

Lycodapus mandibularis 

Lycodapus sp. 

Lycodes cortezianus


Lycodes diapterus


Lycodes pacificus


Melanostigma pammelas


Chi asmodon ti dae b


Chiasmodon niger


ri chi uridae 

Aphanopus carbo 

Ben thodesmus paci fi cus 

Centrolophi"dae 

Icichthys lockingtoni


Bothidae 

Ci tharichthys sordidus 

Pleuronectidae 

Atheresthes stomias 

Embassichthys bathybius 

Lyopsetta exilis 

Eopset ta jordanl Glyptocephal us zachirus 

Hippoglossoides elassodon 

Hippoglossus stenolepis 

Lepidopsetta bilineata 

Microstomus pacificus 

Parophrys vetulus 

Pleuronichthys decurrens


Common Name


Snailfish unident.


Swellhead snail fish 

Jack mackerel


Chub mackerel 

Manefish 

Shiner perch


Surfperch unident. 

Twoline eelpout 

Kamchatka eelpout


Snakehead eelpout


Deepwater eelpout


Blackmouth eelpout 

Pallid eelpout


Bigfin eelpout


Black eelpout 

Blackbelly eelpout


Midwater eelpout 

Black scabbardfish 

Medusafish 

Paci fic sanddab 

Arrowtooth flounder 

Deepsea sole


Slender sole 

Petrale sole


Rex sole 

Flathead sole 

Pacific halibut


Southern rock sole 

Dover sole 

English sole 

Curl fin sole 

Frequency 

Depth (m)

Occurrence Min. Max. Mean 

417 247 849 

604 007 806 

770 128 903 

775 128 968 

186 186 186 

247 247 247 

565 565 565 

303 303 303 

196 196 196 

103 432 253 901 

007 120 064 

392 236 934 

555 651 593 

416 146 788 

516 651 569 

478 157 886 

181 644 389 

242 007 544 

193 524 343 

770 042 893 

790 128 992 

676 923 791 

729 729 729 

729 113 867 

181 303 218 

181 688 369 

107 416 253 913 

181 583 338 

183 584 329 

181 857 399 

303 379 341 

242 450 346 

203 203 203 

167 181 253 667 

181 413 248 

196 200 198 

Latitude 

Range 

(ddmm) d 

Sou th North 

3431 4714 

4026 4051 

3526 4240 

3453 3646 

4426 4426 

3459 3459 

4521 4521 

4617 4617 

3714 3714 

3431 4804 

4026 4240 

3432 4738 

3429 3552 

3429 4117 

3429 3552 

3431 4645 

3429 4737 

3429 4737 

3429 4115 

3453 3902 

3431 4145 

3646 3929 

4332 4332 

3932 4332 

3714 4617 

3833 4807 

3431 4804 

3432 4807 

3502 4807 

3429 4807 

4617 4617 

4207 4714 

3836 3836 

3429 4807 

3432 4807 

3714 4048 

a Nomenclature from Robins (1990) unless otherwise noted. 

b Nomenclature from Eschmeyer and Herald (1983). 

C Nomenclature from Nelson (1984). d Degrees and mihutes of latitude. 
Table 5. --Frequency of occurrence and depth and latitude ranges for invertebrate 

species caught during the 1997 West Coast upper continental slope bottom 

trawl survey.


Phylum and Class Scientific Name


Porifera 

Pori~era unident. 

Suberi tes ficus 

Aphrocalli stes vastus 

Hylonema sp. 

Cnideria 

Scyphozoa 

Cyanea capillata 

Periphylla sp. 

0 Anthozoa Scyphozoa unident. 

Actinauge verrillii


Actiniarla unident.


Actinoscyphia sp.


Anthomastus sp.


An tipa thes sp.


Ba thypa thes sp.


Calcigorgia sp~culifera


Corall imorphus sp.


Gorgonacea unident.


Liponemis brevicornis


Metridium senile 

Metridium sp. 

Latitude 

Frequency Range Depth (m) (ddmm) *

Occurrence Min . Max. Mean Sou th North 

376 181 740 3431 4736 

193 193 193 3502 3502 

259 151 624 3459 4714 

942 188 123 4619 4736 

781 781 781 4002 4002 

545 241 914 3549 4804 

105 200 253 763 3431 4738 

183 205 758 3459 4804 

127 193 247 776 3429 4804 

679 128 863 3525 4457 

369 220 638 3833 4617 

290 241 876 3958 4738 

037 194 097 4145 4804 

120 120 120 3431 3431 

248 108 820 3708 4645 

248 061 752 3453 4804 

183 253 719 3429 4738 

203 225 214 3836 3929 

193 440 270 3502 4207 

Paractinostola faeculenta 132 242 253 804 3525 4804 

Pennatulacea unident. 

Stylatula sp. 

Tealia sp. 

Umbellula sp. 

Virgularia sp. 

Ctenophora 

Ctenophora unident. 

Annelida 

Polychaeta 

Aphrodi tidae unident.


Eunoe depressa


Eunoe sp.


Polychaeta unident.


Arthropoda Cirripedia Balanus sp. 

Malacostraca 

Acan thephy ra sp. 

Albuneidae unident. 

Cancer magister


Chionoecetes tanneri 

Chorilia longipes


Crangon communi 


Crangon sp. 

242 253 886 3429 4804 

285 253 865 3429 4804 

203 203 203 3836 3836 

416 236 885 3500 4738 

516 177 832 3550 3951 

621 201 913 3432 4645 

196 220 714 3429 4737 

630 253 982 3548 4335 

128 128 128 3526 3526 

208 181 908 3623 4548 

857 857 857 3549 3549 

037 037 037 4145 4145 

128 128 128 3526 3526 

196 379 270 3714 4617 

136 208 253 849 3431 4804 

241 205 680 3429 4645 

265 265 265 4146 4146 

193 225 210 3502 4115 
Table 5. --Continued. 

Lati tude 

Frequency Range

Phylum and Class Scientific Name Depth (m) (ddmm) *

Occurrence Min. Max. Mean South North

Malacostraca 

Pycnogonida 

Brachipoda 

Inarticula ta 

Bryozoa 

Mollusca 

Aplacophora 

Gastropoda 

(continued) 

Eryon~cus agassiz~ 

Eual us macroph thalmus 

Eual sp. 

Galatheidae unident. 

Isopoda unident. 

Lebbeus sp. 

Li thodes couesi 

Li thodes sp. 

Li thodidae unident. 

Lopholi thodes foramina tus€

Lophol i thodes sp.


Munida quadrispina


Mursia gaudichaudii 

Natantia unident. 

Notostomus )aponicus 

Notostomus sp. 

Paguridae unident. 

pagurus aleuticus 

Pagurus capi 11 tus 

Pagurus confragosus 

Pagurus sp. 

Pandalidae unident. 

Pandalopsis ampla 

Pandal opsi di spar 

Pandalus borealis€

Pandal )ordani
 Pandal pl tyceros
 Pandal sp.


Parali thodes californiensis


Parali thodes sp.


Paralomis mul tisp~na


Paralomis verrilli€

Pasiphaea pacifica€

Pasiphaea tarda 

Pasiphaeidae unident. 

Systellaspis braueri 

Pycnogonida unident. 

Laqueus californianus 

Bryozoa unident. 

Aplacophora unident. 

Afor~a goodei€

An tipl anes sp.


An tiplanes thalea


064 064 064 3548 3548 

468 188 796 3454 4714 

181 181 181 4458 4458 

925 253 096 3431 3954 

867 194 075 3453 4648 

200 200 200 4048 4048 

800 194 064 3903 4804 

064 064 064 3548 3548 

205 205 205 3549 3549 

186 376 284. 3526 4807 

205 205 205 3806 3806 

200 581 324 3429 4454 

196 205 201 3714 3806 

432 247 977 3431 4804 

790 120 971 3431 4617 

681 253 032 3454 3715 

241 247 811 3429 4358 

222 440 307 4049 4457 

200 440 290 3905 4711 

200 220 633 3619 4714 

200 220 715 3548 4804 

120 130 125 3431 3842 

024 247 141 3431 4145 

222 368 265 4115 4738 

242 242 242 4457 4457 

181 242 205 3502 4547 

183 413 247 3432 4738 

248 194 866 3431 4549 

437 437 437 3429 3429 

203 335 288 3526 3836 

265 253 112 3431 4804 

177 247 212 3459 3643 

259 924 582 3429 4714 

545 253 963 3431 4714 

555 555 555 3526 3526 

151 151 151 4331 4331 

151 151 151 3623 3623 

259 468 397 3833 4714 

129 129 129 4619 4619 

346 120 648 3431 4738 

184 184 184 4648 4648 

196 236 755 3431 4426 

413 474 437 3459 4210 
Table 5. --Continued. 

Frequency 

Phylum and Class Scientific Name


Occurrence 

Gastropoda (continued) 

Bivalvia 

Cephalopoda 

Bathybembix bairdii 

Buccinum sp. 

Buccinum strigillatum 

Buccinum viridum 

Calinaticina oldroyi


Calliostoma pla tinum 

Col us aphel 

Galus sp.


Doridacea unident.


Fusi tri ton oregonensis


Gastropod unident.


Heteropoda unident.


Natica clausa


Neptunea amianta 116


Neptunea thia


Neptunea phoen~cia


Neptunea pribiloffensis


Neptunea smirn~a


Neptunea sp.


Nudibranchia unident.


Opisthobranchia unident.


Plicifusus griseus 

Polinices sp. 

50lariella nuda 

Tritonia sp. 

Acharax johnsoni 

Delectopecten vancouverensis


Mya sp.


Mytilidae unident.


Pelecypoda unident.


Sol emya rei di 

Yoldia sp. 

Berryteuthis magister


Cephalopoda unident. 

Chiroteuthis calyx


Gonatus sp. 

Histioteuthis dofleini 

Histioteuthis heteropsis


Loligo opalescens


Moroteuthis robusta 

Octopus doflein~ 

Octopus sp. 

Ommastrephes bartrami


Onychoteuthidae unident.


Onychoteuthi borealijaponi GUS


Opisthoteuthis californiana


Rossia pacifica 

Tan~ngia danae 

Vampyroteuthis infernalis 

Lat1 tude 

Range Depth (m) (ddmm) * Min. Max. Mean South North 

450 247 883 3429 4804 

265 936 558 3432 4521 

344 493 395 3928 4331 

440 241 999 3431 4804 

193 225 209 3502 3929 

437 811 673 3429 3902 

681 253 022 3454 4644 

392 133 843 3708 4644 

580 580 580 3619 3619 

259 824 525 4428 4737 

765 042 904 3715 3838 

413 181 797 3833 4458 

059 220 131 3932 4307 

337 253 890 3429 4804 

346 024 626 3619 3957 

604 604 604 4051 4051 

303 150 556 3833 4737 

474 024 797 3459 3622 

344 454 413 3429 4643 

242 133 693 3502 4209 

193 583 303 3429 4115 

617 108 857 3433 4645 

285 044 665 3527 3905 

569 652 614 3833 4432 

371 236 878 3429 4738 

965 117 041 3457 4240 

740 128 921 3431 4311 

604 604 604 4051 4051 

492 492 492 3902 3902 

133 150 143 4117 4209 

924 241 107 4355 4550 

024 024 024 3622 3622 

456 205 675 3549 4737 

183 253 873 3431 4736 

740 740 740 4311 4311 

953 953 953 3959 3959 

367 247 716 3431 4804 

493 493 493 3928 3928 

181 181 445 3429 4521 

203 151 465 3619 4332 

193 688 430 3429 4614 

193 253 618 3429 4737 

242 076 541 3713 4735 

265 265 265 4146 4146 

200 861 511 3500 4735 

335 181 702 3429 4738 

205 205 205 3806 3806 

456 253 871 3433 4804 

335 253 000 3431 4804 
Tab1e 5. --Continued. 

Frequency 

Phylum and Class Scientific Name


Occurrence 

Echinoderma ta


Crinoidea 

Crinoid unident. 

Florimetra serratissima 

Asteroidea 

Ampheraster marianus


Anteliaster sp. 

Asteroidea unident. 

Asthenactis fisheri 

Astropecten californi GUS 

Bris~ngella exilis


Ceramaster leptoceramus


Ceramas ter pa tagoni GUS


Ceramaster sp. 

Crossaster borealis 

Crossaster papposus 

Crossaster sp. 

Cryptopel taster lepidonotus 

Ctenodiscus crispatus 

Diplopteraster mul tipes 

Dipsacaster borealis 

Dipsacaster sp. 

Gephyreaster swifti 

Henr~cia sp. 

Heterozonias al terna tus 

Hippasteria californica 

Hippasteria sp. 

Hippaster~a spinosa


Leptychaster arcticus


Leptychaster pacificus


Lophaster furcilliger


Luidia folia 


Luidiaster dawsoni


Mediaster aequalis 

Mediaster tenellus 

Lati tude 

Range Depth (m) (ddmm) * Min. Max. Mean South North 

120 188 153 3431 4736 

800 061 931 4644 4804 

337 108 722 3453 4738 

413 108 832 3833 4736 

069 191 148 3431 4458 

620 188 904 4457 4648 

196 425 311 3713 3714 

545 120 707 3433 4645 

651 965 785 3453 3929 

649 649 649 4210 4210 

585 585 585 3500 3500 

200 253 875 3431 4807 

203 208 206 3836 4028 

492 492 492 3902 3902 

196 241 733 3500 4355 

290 177 684 3643 4714 

239 253 623 3713 4738 

857 200 029 3549 4714 

545 205 879 3431 4648 

208 208 208 4028 4028 

643 201 928 4050 4804 

203 253 830 3429 4804 

196 253 823 3431 4804 

893 893 893 3525 3525 

196 201 420 3714 4807 

450 201 826 4050 4714 

371 371 371 4549 4549 

413 253 049 3524 4736 

183 157 410 3713 4738 

242 450 372 4450 4714 

203 130 699 3836 3842 

413 416 415 3500 3833 

222 157 594 3429 4738 

604 247 031 3431 4355 

369 253 975 3429 4804 

037 037 037 4145 4145 

413 413 413 3833 3833 

208 248 228 4028 4454 

440 220 042 3623 4240 

327 247 738 3429 4332 

239 157 459 3453 4738 

222 205 613 3500 4115 

177 177 177 3643 3643 

208 643 426 4028 4735 

259 194 797 3459 4804 

208 205 587 3549 4711 

256 256 256 4240 4240 

196 681 408 3429 4714 

102 

134 

Myoxoderma platyacanthum rhomaleum


Myoxoderma sa ccu at um


Nearchaster aciculosus


Nearchas ter sp.


Paroniops~s flexilius


Poraniops~s inflata


Pseudarchaster dissonus


Pseudarchaster parelii


Pseudarchaster parelii alascensis


Pseudarchas ter pussi llus


Pseudarchaster sp. 

pteraster mili taris 

Pteraster sp. 

Pteraster tesselatus 

bel i an thai des 

Ra thbunas ter Gal i forni GUS 

Pycnopodi 
Table s. --Continued. 

Frequency Phylum and Class Scientific Name


Occurrence 

Asteroidea (continued) 

Solaster endeca


Sol aster paxillatus


Sol aster sp.


Stylasterias forreri


Thrissacanthias penicillatus 120


Zoraster evermanni mordax


Zoroasteridae unident. 

Echinoidea 

Allocentrotus fragilis


Allocentrotus sp.

Brisaster latifrons 

Brisaster sp. 

Brisaster townsendi


Echinoidea unident. 

Schiasteridae unident. 

Strongylocentrotus droebachiensis


Ophi uroidea 

Amphi ophi ura ponderosa 

Asteronyx loveni 

Ophiopholis aculeata 

Ophi ura sarsi 

Ophiuroid unident. 

Holothuroidea 

Holothuroidea unident. 

Molpadia intermedia 

Molpadi a sp. 

Pannychia moseleyi 

Paras ti chopus Gal i forni GUS 

Para s ti chopu 1 euco the 1 

Parastichopus sp. 

Pseudostichopus moll is 

Pseudostichopus sp. 

Psolus sp. 

Psol us squama tus 

Scotoplanes theeli 

Urochorda ta


Ascidiacea 

Ascidian unident. 

Thaliacea 

Thaliacea unident. 

* Degrees and minutes of latitude. 

Latitude 

Range Depth (m) (ddDm) * Min. Max. Mean South North 

555 555 555 3526 3526 

248 247 927 3431 4617 

120 120 120 3431 3431 

183 201 448 3713 4736 

239 253 833 3429 4738 

337 247 924 3431 4804 

691 076 884 4358 4358 

183 120 479 3429 4807 

222 644 424 3619 4115 

181 130 549 3526 4714 

193 790 518 3429 4115 

193 936 605 3432 4115 

242 493 368 3928 4547 

241 861 554 3429 4213 

369 369 369 4428 4428 

478 205 915 3431 4737 

285 253 857 3429 4648 

248 630 411 4335 4521 

222 184 424 3902 4737 

248 200 797 3429 4804 

241 236 704 3429 4714 

516 236 949 3429 4426 

376 201 731 3457 4648 

239 253 796 3429 4804 

376 376 376 4405 4405 

183 913 423 3432 4711 

193 935 564 3502 4518 

186 247 631 3453 4738 

113 113 113 3932 3932 

120 120 120 3431 3431 

248 151 682 3459 4804 

492 241 100 3524 4804 

203 253 827 3431 4454 

200 253 736 3457 4736 
Table 6. --Number of length frequency measurements collected by stratum during the 1997 

West Coast upper continental slope bottom trawl survey for all of the 

International North Pacific Fisheries Commiss1on areas combined. 

Species 

Brown cat shark


Filetail cat shark


Longnose cat shark


Spiny dogfish

Deepsea skate

Big skate

Bering skate

Longnose skate

Black skate 

Spotted ratfish


Pacific sanddab


Arrowtooth flounder 

Pacific halibut


Flathead sole 

Slender sole 

Petrale sole


English sole

Dover sole 

Deepsea sole 

Rex sole


Blacktip poacher


Bigeye poacher


Blackfin poacher


California slickhead


Threadfin slickhead


Sablefish 

Plainfin midshipman 

Spotted cusk-eel 

Jack mackerel 

California grenadier 

Smooth grenadier 

Pacific grenadier 

Giant grenadier 

Popeye grenadier

Threadfin sculpin

Slim sculpin

Blob sculpin 

Pacific cod


Pacific flatnose


Lingcod


Blacktail snailfish


Pacific whiting


Chinook salmon


Twoline eelpout


Snakehead eelpout


Bigfin eelpout


Black eelpout 

Blackbelly eelpout


Shortspine thornyhead


Longspine thornyhead


Rough~ye rockfish


Pacific ocean perch


Aurora rockfish


Silvergray rockfish


Greenspotted rockfish


Darkblotched rockfish


Splitnose rockfish

Greenstriped rockfish 

Widow rockfish


Yellowtail rockfish


Chilipepper 

Rosethorn rockfish


Shortbelly rockfish


Cowcod 

Blackgill rockfish


Bocaccio 

Canary rockfish


Redstripe rockfish


Redbanded rockfish


Stripetail rockfish


Halfbanded rockfish


Sharpchin rockfish 

Bank rockfish


Shortraker rockfish


Yellowmouth rockfish


Stratum 1 Stratum 2 Stratum 3 Stratum 4 Stratum 5 Stratum 6 

183-366 m 367-549 m 550-732 m 733-914 m 915-1, 097 m 098-1 280 m 

686 305 613 140 

145 185 

788 188 

408 462 

594 503 

100 203 

892 290 

278 

231 299 

727 521 

362 203 

853 

079 228 518 176 879 765 

104 411 696 490 

314 989 399 

517 448 1, 375 948 

112 369 211 

646 345 084 722 783 602 

162 

658 .557 799 268 

159 680 732 985 

773 423 1, 197 038 

185 390 203 

026 219 473 

134 265 233 187 

238 374 

863 316 

014 808 

126 111 

683 633 969 285 491 393 

374 221 846 002 212 

306 

165 

293 

808 031 

374 

693 

111 

327 

326 

049 

652 
Table 7. --Number of length frequency measurements collected by stratum during the 1997 

West Coast upper continental slope bottom trawl survey of the International 

North Pacific Fisheries Commission Conception area. 

stratum 1 stratum 2 stratum 3 stratum 4 stratum 5 stratum 6 

Species 183-366 m 367-549 m 550-732 m 733-914 m 915-1, 097 m 098-1 280 m 

Brown cat shark


Filetail cat shark


Spiny dogfish 

Deepsea skate

Bering skate 

Longnose skate 

Black skate 

Spotted ratfish


Slender sale 

Petrale sale


English sale 

Dover sole 

Deepsea sale


Rex sole


Blacktip poacher


Bigeye poacher


California slickhead


Threadfin slickhead


Sablefish


Plain fin midshipman


Spotted cusk-eel


California grenadier


Smooth grenadier


Pacific grenadier


Giant grenadier


Pacific flatnose


Blacktail snailfish 

Pacific whiting


Twoline eelpout


Snakehead eelpout


Bigfin eelpout


Black eelpout 

Blackbelly eelpout


Shortspine thornyhead


Longspine thornyhead


Aurora rockfish 

Spli tnose rockfish 

Chilipepper 

Shortbelly rockfish


Cowcod 

Blackgill rockfish


Bocaccio 

Stripetail rockfish


246 

113 144 

134 

196 

165 a . 

492 469 259 198 118 

234 535 

137 229 375 227 

119 183 212 

162 

246 802 

121 143 

164 

024 018 470 

360 

229 

126 111 

281 351 133 156 

646 889 733 305 155 

560 

390 478 

202 

452 
Table 8. --Number of length frequency measurements collected by stratum during the 1997 

West Coast upper continental slope bottom trawl survey of the International 

North Pacific Fisheries Comm1ssion Monterey area. 

stratum 1 stratum 2 stratum 3 stratum 4 stratum 5 stratum 6 

Species 183-366 m 367-549 m 550-732 m 733-914 m 915-1 097 m 098-1 280 m 

Brown cat shark 241 519 212


Filetail cat shark


Longnose cat shark


Spiny dogfish 142


Bering skate 181 

Longnose skate 

Black skate 

312 165 . 24 

Spotted ratfish 284 240 

Pacific sanddab 254 

Arrowtooth flounder 

Slender sole 697 324 

Deepsea skate


Petrale sole 269 149 

English sole 540 

Dover sole 525 271 954 529 418 452 

Deepsea sole 129 309 209 

Rex sole 095 1, 040 

California slickhead 251 735 373 476 

Threadfin slickhead 

Sablefish 237 251 140 370 231


Spotted cusk-eel


California grenadier


Smooth grenadier


Pacific grenadier 272 147 320 863


Giant grenadier 172 457


Popeye grenadier


Threadfin sculpin

Blob sculpin 

Pacific flatnose 180 157 564 754 

Lingcod

Blacktail snailfish 270 123 

Pacific whiting 268 1, 984 545 

Twoline eelpout 106 

Snakehead eelpout 144 

Bigfin eelpout 127 550 

Black eelpout 123 190 

Shortspine thornyhead 408 228 181 217 

Longspine thornyhead 445 672 895 209 2, 852 

Pacific ocean perch 

Slim sculpin

Aurora rockfish 428 

Silvergray rockfish


Greenspotted rockfish


Darkblotched rockfish


Splitnose rockfish 349 484


Greenstriped rockfish 188


Widow rockfish


Yellowtail rockfish


Chilipepper 442 

Rosethorn rockfish


Shortbelly rockfish 307


Cowcod


Blackgill rockfish


Bocaccio


Canary rockfish 324


Redstripe rockfish


Redbanded rockfish


Stripetail rockfish 973


Sharpchin rockfish 170


Bank rockfish

Table 9. --Number of length frequency measurements collected by stratum during the 1997 

West Coast upper continental slope bottom trawl survey of the International


North Pacific Fisheries Commission Eureka area. 

Species 

Brown cat shark


Spiny dogfish

Bering skate 

Longnose skate

Black skate 

Spotted rat fish

Arrowtooth flounder 

Pacific halibut


Slender sale 

Petrale sole


English sale 

Dover sale 

Deepsea sale


Rex sale


Blacktip poacher


California slickhead


Threadfin slickhead


Sablefish 

California grenadier


Pacific grenadier


Giant grenadier


Slim sculpin 

Pacific flatnose


Lingcod


Blacktail snailfish


Pacific whiting


Chinook salmon


Twoline eelpout


Snakehead eelpout


Bigfin eel pout Black eelpout 

Shortspine thornyhead


Longspine thornyhead


Aurora rockfish


Darkblotched rockfish


Spli tnose rockfish

Greenstriped rockfish 

Widow rockfish


Chilipepper 

Rosethorn rockfish


Shortbelly rockfish


Bocaccio 

Canary rockfish


Redstripe rockfish


Redbanded rockfish


Stripetail rockfish


Sharpchin rockfish 

Stratum 1 Stratum 2 Stratum 3 Stratum 4 Stratum 5 Stratum 6 

183-366 m 367-549 m 550-732 m 733-914 m 915-1, On m 098-1 280 m 

144 227 129 

381 

130 

122 

799 

106 

686 835 429 205 199 170 

156 179 

737 365 176 

103 302 141 

302 401 135 197 

163 491 668 

136 161 398 

114 227 306 

342 1, 454 372 

128 

315 

427 298 

514 565 

241 206 483 733 

123 

145 

358 

481 
Table 10. --Number of length frequency measurements collected by stratum during the 1997 

West Coast upper continental slope bottom trawl survey of the International


North Pacific Fisheries Commission Columbia area. 

Species 

Brown cat shark


Spiny dogfish 

Deepsea skate


Big skate

Bering skate 

Longnose skate 

Black skate 

Spotted ratfish


Pacific sanddab


Arrowtooth flounder 

Pacific halibut


Flathead sole 

Slender sole 

Petrale sole


English sole 

Dover sole 

Deepsea sole


Rex sole


Blackfin poacher


California slickhead


Threadfin slickhead


Sablefish 

Jack mackerel


California grenadier


Smooth grenadier


Pacific grenadier


Giant grenadier


Popeye grenadier


Blob sculpin 

Pacific flatnose


Lingcod


Blacktail snailfish


Pacific whiting


Chinook salmon


Twoline eelpout


Snakehead eelpout


Bigfin eelpout


Black eelpout 

Shortspine thornyhead


Longspine thornyhead


Rougheye rockfish


Pacific ocean perch


Aurora rockfish


Darkblotched rockfish


Splitnose rockfish

Greenstriped rockfish 

Widow rockfish


Chi 1 i pepper 

Rosethorn rockfish 

Blackgill rockfish 

Redstripe rockfish 

Redbanded rockfish 

Stripetail rockfish 

Halfbanded rockfish


Sharpchin rockfish 

Short raker rockfish 

Yellowmouth rockfish 

stratum 1 stratum 2 stratum 3 stratum 4 stratum 5 stratum 6 

183-366 m 367-549 m 550-732 m 733-914 m 915-1, 097 m 098-1, 280 m 

217 311 183 

417 650 

144 156 

126 

292 

248 

953 986 

651 611 633 182 

122 134 

176 048 132 

374 302 104 

198 121 

253 603 559 300 114 141 

202	 306 583 863 

459 224 968 

436 178 325 806 

028 597 1, 076 

339 342 

223 266 

053 235 290 101 

215 764 644 433 189 

115 

656 

149 

142 

425 
Table 11. --Number of length frequency measurements collected by stratum during the 1997 

West Coast upper continental slope bottom trawl survey of the International 

North Pacific Fisheries Comm1ssion U. -Vancouver area. 

Species 

Brown cat shark


Spiny dogfish

Big skate

Bering skate 

Longnose skate 

Black skate 

Spotted ratfish


Arrowtooth flounder 

Slender sole 

Petrale sole


English sole 

Dover sole 

Deepsea sole


Rex sole


California slickhead


Threadfin slickhead


Sablefish 

Pacific grenadier 

Giant grenadier 

Popeye grenadier 

Pacif ic cod 

Pacific flatnose 

Lingcod


Blacktail snailfish


Pacific whiting


Chinook salmon


Twoline eelpout


Snakehead eelpout


Bigfin eel pout Black eelpout 

Shortspine thornyhead


Longspine thornyhead


Pacific ocean perch


Silvergray rockfish


Darkblotched rockfish


Splitnose rockfish

Greenstriped rockfish 

Widow rockfish


Yellowtail rockfish


Redbanded rockfish


Stripetail rockfish


Sharpchin rockfish 

Stratum 1 Stratum 2 Stratum 3 Stratum 4 Stratum 5 Stratum 6 

183-366 m 367-549 m 550-732 m 733-914 m 915-1, 097 m 098-1, 280 m 

289 

109


155


113 109


122 

159 

364 166 

144 

655 368 572 283 

263 

. 6

Table 12. --Mean CPUE (kg/ha) of the 20 most abundant groundfish and selected crab species caught 

in each of the International North Pacific Fisheries Commission areas for all strata 

combined during the 1997 West, Coast upper continental slope groundfish survey. 

U. S-Vancouver Area All Strata 

Species 183-1, 280m 

Pacific whiting 71. 

Spiny dogfish 30. 

Longspine thornyhead 12. 

Sablefish 

True Tanner crab


Pacific ocean perch


Dover sole 

Giant grenadier


Longnose skate 

Arrowtooth flounder


Spotted ratfish


Rex sole


English sole 

Pacific grenadier 1. 97 

Shortspine thornyhead 1. 83 

Bering skate 

Deepsea sole


Black skate 

Big skate 

Slender sole 

NWllber of hauls 

Monterey Area All strata 

Species 183-1, 280m 

Dover sole 31.


Longspine thornyhead 22.


Paci fic whi ting 17 .


Sablefish 13.


Pacific grenadier 10.


Stripetail rockfish


Rex sole


Shortspine thornyhead


Spli tnose rockfish 

Canary rockfish


Longnose skate


Giant grenadier


California slickhead


True Tanner crab 

Spotted ratfish


Deepsea sole


Pacific f1atnose 1. 96


Plainfin midshipman 1. 95


Chilipepper 1.82


Bocaccio 1. 73


Number of hauls


Col umb1a Area 

Species 

Pacific whiting


Spiny dogfish 

Longspine thornyhead


Sablefish


Dover sole


Rex sole


Giant grenadier


True Tanner crab


Pacific grenadier


Shortspine thornyhead 

Longnose skate 

Slender sole 

Sharpchin rockfish 

Pacific flatnose


Spotted ratfish


Spli tnose rockfish


Bering skate


Ar rowtooth flounder


Brown cat shark


California slickhead


NWllber of hauls


Conception Area


Species 

Dover sole 

Longspine thornyhead


Pacific whiting


Sablefish 

Shortspine thornyhead


Pacific grenadier


Spli tnose rockfish 

Stripetail rockfish


Chilipepper


Cal i fornia sl ickhead


Rex sole


Giant "grenadier 

Longnose skate 

Aurora rockfish


Filetail cat shark


Deepsea sole


Bigfin eelpout


Bering skate 

Brown cat shark


Spotted ratfish


NWllber of hauls


All Strata 

183-1, 280m 

163 . 71 

58. 

14. 

13. 

13. 

10. 

1. 36 

1.11 

1.11 

1. 06 

1. 04 

All strata 

183-1, 280m 

19. 

18. 

13. 

1. 70 

1.43 

Eureka Area All Strata


Species 183-1, 280m 

Pacific whiting 145.


Spiny dogfish 35.


Longspine thornyhead 23.


Dover sole 22.


Sablefish 18.


Pacific sleeper shark


True Tanner crab


Rex sole


Giant grenadier


Pacific grenadier


Shortspine thornyhead


Longnose skate


Stripetail rockfish 

Deepsea sole


California slickhead


Brown cat shark 1.48


Spli tnose rockfish 1.41


Slender sole 1.28


Black eelpout 1.23


Black skate 1.16


Number of hauls


All Areas All strata 

Species 183-1, 280m 

Paci fic whi ting 92. 

Spiny dogfish 28. 

Dover sole 20. 

Longspine thornyhead 18. 

Sablefish 13. 

Rex sole


Pacific grenadier


Giant grenadier


Shortspine thornyhead


True Tanner crab 

Longnose skate


Stripetail rockfish


Splitno~e rockfish 

California slickhead


Pacific sleeper shark 1.66 

Canary rockfish 1.44 

Deepsea sole 1.39 

Slender sole 1.30 

Spotted rat fish 1.25 

Pacific flatnose 1.22 

Number of hauls 182 
Table 13. --Mean CPUE (kg/ha) of the 20 most abundant groundfish and selected crab species caught 

in all the International North Pacific Fisheries Commdssion areas combined during 

the 1997 West Coast upper continental slope groundfish survey. 

Stratum 1 

Species 183-366 m 

stratum 3 

species 550-732 m 

Pacific whiting


Spiny dogfish 

Stripetail rockfish


Rex sole


Longnose skate 

Dover sole 

Canary rockfish


Sablefish


Chi 1 ipepper


Spotted ratfish


Splitnose rockfish


Slender sole 

Sharpchin rockfish


Plainfin midshipman


English sole 

Bocaccio 

Petrale sole


Shortspine thornyhead


Pacific herring


Bering skate 

Number of hauls


318. 

108. 

18. 

17 .


1. 66 

stratum 2 

Species 367-549 m 

Pacific whiting 192. 

Spiny dogfish 

Dover sole 

Rex sole 

Sablefish 

Splitnose rockfish 

Longnose skate 

Shortspine thornyhead


Aurora rockfish 

Bering skate 

Bigfin eelpout


Slender sole 

Brown cat shark


Longspine thornyhead


Arrowtooth flounder 

Petra Ie sole


Spot ted ra tf ish 

Black eelpout 

True Tanner crab


Blackgill rockfish


Number of hauls


54. 

46. 

24. 

15. 

11. 41


1. 78 

1. 46 

1.33 

1.26 

Dover sole


Pacific whiting


Longspine thornyhead


Sablefish 

True Tanner crab


Shortspine thornyhead


Brown cat shark


Rex sole


Black eelpout 

Giant grenadier


Filetail cat shark


California slickhead


Longnose skate


Twoline eelpout


Pacific grenadier


Spiny dogfish


Pacific flatnose


Deepsea sole


Blacktail snail fish 

Black skate 

Number of hauls


22. 

20. 

17. 

16. 

1.54 

1.34 

1.29 

1.08 

Stratum 4 

Species '733-914 m 

stratum 5 

Species 915-1, 097 m 

Sablefish 

Giant grenadier


California slickhead


Shortspine thornyhead


Deepsea sole


Brown cat shark


Twoline eelpout


Pacific grenadier


Threadfin slickhead


Black skate 

Snakehead eelpout


Pacific whiting


Blacksmelt unident. 

Black hagfish


Pacific flatnose


Blacktail snailfish 

Filetail cat shark


Longnose skate


Deepsea skate


Smooth grenadier


Number of hauls


12. 

1.62 

1.13 

Longspine thornyhead


Dover sole 

Sablefish 

Pacific grenadier


Shortspine thornyhead


Giant grenadier


True Tanner crab


California slickhead


Deepsea sole


Black skate 

Pacific flatnose


Twol ine eelpout


Snakehead eelpout


Paci fic sleeper shark


Brown cat shark


Blacksmel t unident.


Black hagfish 

Deepsea skate


Threadfin sl ickhead 

Longnose cat shark


Number of hauls


34. 

15. 

14. 

13 . 

1.47 

1.21 

stratum 6


species 098-1, 280m 

Pacific grenadier 22. 

Longspine thornyhead 21.29 

Giant grenadier 19. 

Sablefish 12. 

Dover sole 

Pacific sleeper shark


Shortspine thornyhead


Pacific flatnose


True Tanner crab


California slickhead


Deepsea sole


Black skate 

Paralomis multispina 1.26 

Deepsea skate


Twoline eelpout


Blacksmel t unident.


Longnose cat shark


Blob sculpin 

Black hagfish


Pacific whiting


Number of hauls

Table 14. --Mean CPUE (kg/ha) of the 20 most abundant groundfish and selected crab species caught 

in the International North Pacific Fisheries Commission Conception area during 

the 1997 West Coast upper continental slope groundfish survey. 

Stratum 1 

Species 183-366 m 

Stripetail rockfish


Pacific whiting 

Chi 1 ipepper 

Splitnose rockfish 

Spotted ratfish


California market squid


Plainfin midshipman


Bocaccio 

Longnose skate


Spiny dogfish 

Slender sole 

Northern anchovy


English sole 

Bering skate 

Filetail cat shark


Rex sole


Brown cat shark


Bigfin eelpout


Dover sole 

Shortspine thornyhead


Number of hauls


26. 

24. 

22. 

13. 

1. 99 

1. 21 

1. 08 

Stratum 2 stratum 3 

Species 367-549 m species 550-732 m 

Pacific whiting 43. Dover sole 33. 

Dover sole 24. Longspine thornyhead 26. 

Splitnose rockfish 16. Shortspine thornyhead 11. 49 

Rex sole 12. Sablefish 

Longnose skate 

Longspine thornyhead


Aurora rockfish 

Shortspine thornyhead


Sablefish 

Bigfin eelpout


Bering skate 

Blackgill rockfish


Filetail cat shark


Black eelpout 

Brown cat shark


Blackbelly eelpout


Spiny dogfish 

Spotted ratfish


Petra Ie sole


True Tanner crab


Number of hauls


Pacific whiting


Filetail cat shark


Longnose skate 1.92


Brown cat shark 1.20


California slickhead


Giant grenadier


Threadfin slickhead


1. 82 True Tanner crab 

1. 63 Aurora rockfish 

1. 45	 Blacktail snail fish 

Bering skate 

Twoline eel pout 

Black hagfish 

Black eelpout 

Spiny dogfish


Lanternfish 

Number of hauls


Stratum 4 

Species 733-914 m 

Stratum 5 Stratum 6 

Species 915-1, 097 m Species 098-1, 280m 

Longspine thornyhead


Dover sole


Sablefish 

Shortspine thornyhead


Deepsea sole


California slickhead


Twoline eelpout


Giant grenadier


Brown cat shark


True Tanner crab


Black skate 

Threadfin slickhead


Pacific grenadier


Black hagfish


Paci fic whi ting


Blacksmel t unident.


Deepsea skate


Filetail cat shark


Blacktail snailfish


Paci fic electric ray


Number of hauls


51.86 

41. 69


20. 

1.52 

1.12 

Longspine thornyhead


Sablefish


Shortspine thornyhead


Dover sole


California slickhead


Pacific grenadier


Giant grenadier


Deepsea sole


Twoline eel pout 

Pacific sleeper shark


True Tanner crab 

Black skate 

Deepsea skate 

Threadfin slickhead 

Blacksmel t unident. 

Pacific flatnose 

Brown cat shark 

Black hagfish 

Deepsea smel t 

Snakehead eelpout


Number of hauls


20. Pacific grenadier 

18. Longspine thornyhead 

10.	 Giant grenadier 

Dover sole 

California slickhead


Shortspine thornyhead


Sablefish 

Pacific flatnose 

1.26 Deepsea skate 

1.24 Blacksmel t unident. 

1.23 Black skate 

Brown cat shark


Twoline eelpout 

True Tanner crab 

Deepsea sole 

Longnose cat shark


Black hagfish 

Pacific whiting


Sawtooth eel 

Pacific viperfish


Number of hauls


27. 

1.82 
Table 15. --Mean CPUE (kg/ha) of the 20 most abundant groundfish and selected crab species 

in the International North Pacific Fisheries Commission Monterey area during 

the 1997 West Coast upper continental slope groundfish survey. 

caught 

stratum 3


550-732 m


29. 

15. 

12. 

1.86 

1.31 

1.06 

1.03 

Stratum 6


098-1, 280m 

28. 

21. 

20. 

16. 

13. 

12. 

1.46 

1.19 

1.06 

Stratum 1 Stratum 2 

Species 183-366 m Species 367-549 m

Stripetail rockfish


Pacific whiting


Canary rockfish


Longnose skate 

Rex sole


Plainfin midshipman


Chi 1 ipepper


Bocaccio


Spotted ratfish


Pacific herring


English sole 

Dover sole 

Petrale sole


Slender sole 

Pacific sanddab


Sharpchin rockfish


Sablef ish


Greenstriped rockfish 

Lingcod 

Greenspotted rockfish


Number of hauls


Species 

Longspine thornyhead


Dover sole


Sablefish 

California slickhead


True Tanner crab 

Shortspine thornyhead


Giant grenadier


Brown cat shark


Deepsea sole


Twol ine eelpout


Threadfin slickhead


Black skate


Pacific grenadier


Black hagfish


Blacksmel t unident.


Blacktail snailfish


Pacific flatnose


Snakehead eelpout


Pacific whiting


Smooth grenadier


Number of hauls


Species 

Dover sole


Longspine thornyhead


Sablefish 

Pacific whiting


True Tanner crab


Shortspine thornyhead


Brown cat shark


California slickhead


Giant grenadier


Longnose skate


Twoline eelpout


Black eelpout 

Blacktail snailfish 

Bering skate 

Filetail cat shark


Bigfin ee1pout


Paci fic grenadier


Rex sole


Deepsea sole


Pacific flatnose


Number of hauls


Species 

Pacific grenadier


Dover sole 

Longspine thornyhead


Sablefish 

Shortspine thornyhead


Giant grenadier


Pacific flatnose


California slickhead


Deepsea sole


True Tanner crab


Black skate 

Paralomis multispina


Deepsea skate


Twoline eelpout


Pacific sleeper shark


Longnose cat shark


Blacksmel t unident.


Black hagfish 

Blob sculpin 

Brown cat shark


Number of hauls


54. Dover sole 

52. Pacific whiting 

37. Splitnose rockfish 

17. Rex sole 

16. Sablefish 

13. Longnose skate 

13. Spiny dogfish 

12. Bigfin eelpout 

10.	 Aurora rockfish 

Spotted ratfish 

Petrale sale 

Bering skate 

Shortspine thornyhead 

Brown cat shark 

Longspine thornyhead 

English sole 

Blackgill rockfish 

Slender sale 

1. 91 Filetail cat shark


1. 29 Blacktail snailfish 

Number of hauls


54. 

48. 

29. 

28. 

1. 51 

1. 20 

Stratum 4 Stratum 5 

733-914 m Species 915-1, 097 m 

64. Dover sole 

33.	 Longspine thornyhead 

Pacific grenadier 

Sablefish 

Shortspine thornyhead


California slickhead 

1.87 Deepsea sole 

1.58 Giant grenadier 

1.36 True Tanner crab 

1. 00 Pacific flatnose 

Black skate 

Twoline eelpout 

Black hagfish 

Deepsea skate


Snakehead eel pout 

Longnose cat shark


Blacksmel t unident.


Brown cat shark


Black eelpout 

Blacktail snailfish 

Number of hauls


41.24 

38. 

29. 

29. 

11.50 

1.29 
Table 16. --Mean CPUE (kg/ha) of the 20 most abundant groundfish and selected crab species caught 

in the International North Pacific Fisheries Commission Eureka area during 

the 1997 West Coast upper continental slope groundfish survey. 

Species 

Pacific whiting


Rex sole


Sablefish 

Dover sole 

Stripetail rockfish


Splitnose rockfish 

Slender sole 

Darkblotched rockfish


Spiny dogfish 

Longnose skate 

Shortspine thornyhead


Bigfin eelpout


Bering skate 

English sole 

Dungeness crab


Petra Ie sole


Chilipepper 

Sharpchin rockfish


Pacific halibut


Greenstriped rockfish 

Number of hauls


Species 

Longspine thornyhead


True Tanner crab


Dover sole


Giant grenadier


Sablefish 

Deepsea sole


Shortspine thornyhead


Brown cat shark


California slickhead


Snakehead eelpout


Pacific grenadier


Pacific whiting


Black hagfish


Pacific flatnose


Threadfin slickhead


Blacksmel t unident.


Lampanyctus sp. 

Twoline eelpout


Greenstriped rockfish


Blacktail snail fish 

Number of hauls


Stratum 1


183-366 m Species


320. Pacific whiting 

19. Spiny dogfish 

18. Dover sole 

15. Sablefish 

14.	 Rex sole 

Longnose skate 

Brown cat shark


Shortspine thornyhead


True Tanner crab


Black eelpout 

Aurora rockfish 

Arrowtooth flounder 

1. 82 Pacific halibut 

64'	 Bigfin eelpout 

Bering skate 

Petra Ie sole


Slender sole 

Twoline eelpout


Longspine thornyhead


Blacktail snailfish 

Number of hauls


stratum 4


733-914 m Species


43. Longspine thornyhead 

23. Dover sole 

12.	 Pacific grenadier 

Sablefish 

True Tanner crab 

Giant grenadier


California slickhead 

1.26 Deepsea sole 

1.19 Shortspine thornyhead 

Black skate 

Pacific sleeper shark


Snakehead eelpout


Pacific flatnose


Twoline eeipout


Brown cat shark


Black hagfish 

Pacific whiting


Blacksmel t unident.


Paralomis multispina


Threadfin slickhead


Number of hauls


Stratum 2


367-549 m


545. 

210. 

68. 

36. 

16. 

13. 

1. 66 

1. 65


1. 03 

stratum 5 

915-1, 097 

45. 

12. 

10. 

1.58 

1.39 

1.33 

species 

Longspinethornyhead 

Dover sole


Sablefish 

Pacific whiting


True Tanner crab


Rex sole


Shortspine thornyhead


Black eelpout 

Brown cat shark


Giant grenadier


Longnose skate


Pacific grenadier


California slickhead


Deepsea sole


Black skate 

Twoline eelpout


Pacific flatnose


Spiny dogfish


Blacktail snailfish 

Snakehead eelpout


Number of hauls


Species 

Pacific sleeper shark


Longspine thornyhead


Sablefish 

Giant grenadier


Pacific grenadier


Dover sole


Shortspine thornyhead


Deepsea sole


True Tanner crab 

Pacific flatnose


California slickhead


Black skate


Para lomi s mul ti spina


Twoline eelpout


Blob sculpin 

Li thodes couesi 

Blacksmelt unident. 

Black hagfish 

Snakehead eelpout


Brown cat shark


Number of hauls


stratum 3


550-732 m


20. 

20. 

11. 81


1.51 

1.09 

stratum 6


098-1, 280m 

45. 

32. 

23. 

19. 

15. 
Table 17. --Mean CPUE (kg/ha) of the 20 most abundant groundfish and selected crab species caught 

in the International North Pacific Fisheries Commission Columbia area during 

the 1997 West Coast upper continental slope groundfish survey. 

Stratum 1 

Species 183-366 m 

Pacific whiting 559. 

Spiny dogfish 237. 

Rex sole 22. 

Dover sole 10. 

Longnose skate 10. 

Sablefish 

Sharpchin rockfish


Spotted ratfish


Slender sole


Spl i tnose rockfish


Shortspine thornyhead


Petra Ie sole 1. 90


Bering skate 1. 84


Box crab 1. 67


Pacific halibut 1. 45


Greenstriped rockfish 1. 44


Arrowtooth flounder 1.22


Darkblotched rockfish 1. 20


Big skate 1. 04


English sole 1. 04


Number of hauls


stratum 4 

Species 733-914 m 

Longspine thornyhead 25.


True Tanner crab 16.


Sablefish 13.


Giant grenadier 10.


Dover sole


California slickhead 1. 92


Deepsea sole 1. 04


Brown cat shark


Shortspine thornyhead


Paci fic grenadier


Threadfin slickhead


Twoline eelpout


Pacific whiting


Pacific flatnose


Blacksmel t unident.


Snakehead eelpout


Black skate 

Rougheye rockfish


Black hagfish


Pacific viperfish


Number of hauls


Species 

Pacific whiting


Spiny dogfish 

Dover sole 

Rex sole 

Sablefish 

Shortspine thornyhead


Slender sole 

Longnose skate 

Arrowtooth flounder 

Bering skate 

Brown cat shark


Bigfin eelpout


Black eelpout 

Pacific ocean perch


Spotted ratfish


Petrale sole


Rougheye rockfish


Splitnose rockfish 

Box crab 

Darkblotched rockfish


Number of hauls


Species 

Longspine thornyhead


True Tanner crab


Giant grenadier


Sablefish 

Pacific grenadier


Shortspine thornyhead


California slickhead


Dover sole 

Deepsea sole


Black skate 

Twoline eelpout


Pacific flatnose


Threadfin slickhead


Brown cat shark


Blacksmel t unident. 

Snakehead eelpout 

Paci fic whi ting 

King-of- the-salmon 

Black hagfish 

Pacific viperfish


Number of hauls


Stratum 2


367-549 m


241. 65


58. 

46. 

31. 99


17. 

1.33 

1. 04 

Stratum 5 

915-1, 097 m 

34. 

1. 75 

1.59 

Stratum 3 

Species 550-732 m 

Pacific whiting 46.


Sablefish 28.


Dover sole 13.


Longspine thornyhead 13.


True Tanner crab


Shortspine thornyhead


Rex sole


Brown cat shark 1.81


Giant grenadier 1.61


Black eelpout 1.22


Spiny dogfish 1.11


Pacific flatnose


Pacific grenadier


Black skate 

Deepsea sole


Twoline eelpout


Bering skate 

California slickhead


Arrowtooth flounder 

Bigfin eelpout


Number of hauls


Stratum 6


Species 098-1, 280m 

Giant grenadier 31. 

Longspine thornyhead 22. 

Paci fic grenadier 19. 

Sablefish 

True Tanner crab


Pacific flatnose


Black skate 

Shortspine thornyhead


Deepsea sole 1.10 

California slickhead 1.01 

Paralomis multispina


Deepsea skate


Twoline eelpout


Dover sole


Pacific sleeper shark


Pacific whiting


Blob sculpin 

Blacksmel t unident.


Black hagfish


Li thodes couesi 

Number of. hauls 
Table 18. --Mean CPUE (kg/ha) of the 20 most abundant groundfish and selected crab species caught 

in the International North Pacific Fisheries Commission 
 U. s. -Vancouver area during


the 1997 West Coast upper continental slope groundfish survey. 

Stratum 1 

Species 183-366 m 

Pacific whiting


Spiny dogfish 

Pacific ocean perch


Longnose skate 

Spotted ratfish


Rex sole


Arrowtooth flounder 

English sole 

Dover sole 

Sablefish 

Bering skate 

Big skate 

Widow rockfish


Pacific cod


Slender sole 

Spli tnose rockfish 

Yellowtail rockfish


Shortspine thornyhead


Petra Ie sole


Greenstriped rockfish 

Number of hauls


Species 

Longspine thornyhead


Sablefish€

True Tanner crab€

Deepsea sole


Giant grenadier


Black skate 

Twoline eelpout


Paci fic whi ting


California slickhead


Pacific grenadier


Shortspine thornyhead


Dover sole


Brown cat shark


Spiny dogfish


Pacific flatnose


Snakehead eelpout


Blacktail snailfish 

Threadfin slickhead


Glass sponge


Black hagfish


Number of hauls


272. 

120. 

13. 

10. 

1. 65 

1. 36 

Stratum 4


733-914 m


18. 

15. 

14. 

1.44 

1.23 

Species 

Pacific whi ting 

Sablefish 

Shortspine thornyhead


True Tanner crab 

Dover sole 

Spiny dogfish 

Slender sole 

Arrowtooth flounder 

Brown cat shark


Pacific flatnose


Bigfin eelpout


Black eelpout 

Bering skate 

Blacktail snailfish 

Longspine thornyhead


Aleutian skate


Black hagfish 

Rex sole 

Pacific herring


Pacific viperfish


Number of hauls


Species 

Longspine thornyhead


Giant grenadier


Pacific grenadier


True Tanner crab


Shortspine thornyhead


Deepsea sole


California slickhead


Sablefish 

Black skate 

Twoline eelpout 

Li thodes couesi 

Pacific flatnose


Paci fic whi ting


Black hagfish


Dover sole 

Blacksmel t unident.


Spiny dogfish


Paralomis multi spina 

Snakehead eelpout


Pacific viperfish


Number of hauls


Stratum 2


367-549 m Species€

23. Longspine thornyhead 

Sablefish 

True Tanner crab 

Dover sole


Glass sponge


1. 71 Shortspine thornyhead 

1. 56 Pacific whiting 

1. 07 Giant grenadier 

1. 00 Pacific flatnose 

Deepsea sole 

Longnose lancetfish 

Pacific grenadier 

Black eelpout 

Twoline eelpout 

Brown cat shark 

Pacific viperfish 

Blacksmel t unident. 

Benthalbella sp. 

Fangtooth 

'::0. 

Number of hauls


Stratum 5 

915-1, 097 m Species 

22. Longspine thornyhead 

Giant grenadier 

Pacific grenadier 

Black skate 

True Tanner crab 

1.67 Sablefish 

Shortspine thornyhead


Deepsea sole


Pacific flatnose


Twoline eelpout


Snakehead eelpout


Pacific viperfish


Blacksmel t unident.


Crested bigscale


Longfin dragonfish€

Lanternfish€

Shining loosej €

Number of hauls


Stratum 3


550-732 m


18. 

10. 

1. 72 

1.60 

1.01 

Stratum 6 

098-1, 280 m 

18. 

1.91 
'J!able 19. --Estimates of fish biomass (metric tons) and coefficient of variation (CV) by stratum 

for the International North Pacific risheries Commission u. S. -Vancouver, Columbia, Bureka


Monterey, and Conception areas combined from the 1997 West Coast upper continental 

slope bottom trawl survey. Differences in totals result from rounding.


Species 

Brown cat shark


Spiny dogfish 

Bering skate 

Longnose skate 

Black skate 

Pacific whiting


Pacific grenadier


Giant grenadier


Shortspine thornyhead


Longspine thornyhead


Pacific ocean perch


Aurora rockfish 

Darkblotched rockfish 

Spl i tnose rockfish 

Redbanded rockfish 

Sablefish 

Twoline eelpout


Bigfin eelpout


Black eelpout 

Lycenchelys spp. 

Arrowtooth flounder 

Slender sole 

Dover sole 

Deepsea sole 

Rex sole


Species 

Brown cat shark


Spiny dogfish 

Berlng skate 

Longnose skate 

Black skate 

Pacific whiting


Pacific grenadier


Giant grenadier


Shortspine thornyhead


Longspine thornyhead


Pacific ocean perch


Aurora rockfish 

Darkblotched rockfish 

Splitnose rockfish 

Redbanded rockfish


Sablefish 

Twoline eelpout 

Bigfin eelpout


Black eelpout 

Lycenchelys spp. 

Arrowtooth flounder 

Slender sole 

Dover sole 

Deepsea sole 

Rex sole 

stratum 1


183-366 m


Biomass 

(t) 

292 31% 

100, 348 36% 

535 15% 

161 18% 

294, 777 30% 

332 29% 

127 57% 

68% 

334 60% 

054 35% 

188 48% 

855 31% 

49% 

947 19% 

056 52% 

404 22% 

817 27% 

15, 852 31% 

stratum 5 

915-1 097 m 

Biomass 

(t) 

301 17% 

100% 

100% 

100% 

337 19% 

133 39% 

12, 002 21% 

938 14 % 

193 19% 

191 

600 21% 

867 21% 

448 29% 

100% 

14, 439 36% 

489 17% 

stratum 2


367-549 m


Biomass 

(t) 

024 17% 

50, 880 42% 

766 24% 

272 20% 

178, 325 24% 

030 14% 

895 36% 

201 47% 

134 35% 

132 38% 

10, 576 63% 

53% 

14, 470 20% 

75% 

100% 

168 35% 

652 19% 

1, 653 31% 

488 52% 

43, 083 24% 

63% 

22, 391 38% 

stratum 6 

098-1, 280 m 

Biomass 

(t) 

103 39% 

048 16% 

106 60% 

, 765 

l5, 297 15% 

202 19% 

16, 944 11% 

10, 116 14% 

584 19% 

32% 

244 28% 

053 30% 

stratum 3 stratum 4


550-732 m 733-914 m


Biomass Biomass 

(t) (t) 

106 13% 941 11% 

464 75% 70% 

290 29% 

780 22% 71% 

291 37% 254 43% 

19, 010 51% 202 27% 

481 34% 476 24% 

1, 194 27% 033 28% 

078 19% 558 26% 

16, 237 15% 35, 368 12% 

50% 100% 

100% 

100% 

15, 625 14% 10, 354 17% 

531 25% 609 23% 

50% 208 22% 

236 28% 85% 

198 34% 

69% 

73% 

20, 866 16% 15, 409 29% 

387 24% 344 18% 

423 47% 100% 

All strata 

183-1, 280 m 

Biomass 

(t) 

768 

151, 714 27% 

601 15% 

17, 258 13% 

931 11% 

492, 553 20% 

30, 723 10% 

462 10% 

26, 393 

101, 636 

328 49% 

214 34% 

482 54% 

15, 669 44% 

211 43% 

71, 019 

2, 652 11% 

742 19% 

476 22% 

797 14% 

752 27% 

893 23% 

109, 858 12% 

319 12% 

39, 667 25% 
Table 20. --Estimates of fish biomass (metric tons) and coefficient of variation (CV) by stratum 

for the International North Pacific Fisheries Commission Conception area from the 1997


West Coast upper continental slope bottom trawl survey. Differences in totals


resul t from rounding. 

stratum 1 

Species 183-366 m 

Biomass 

(t) 

Brown cat shark 50%


Spiny dogfish 239 86%


Bering skate 56%


Longnose skate 275 66%


Black skate


Pacific whiting 881 52%


Pacific grenadier


Giant grenadier


Shortspine thornyhead 62%


Longspine thornyhead


Pacific ocean perch


Aurora rockfish 100%


Darkblotched rockfish


Splitnose rockfish 642 83%


Redbanded rockfish


Sablefish 54%


Twoline eelpout


Bigfin eelpout


Black eelpout 64%


Lycenchelys spp. 49%


Arrowtooth flounder 

Slender sole 144 52% 

Dover sole 44% 

Deepsea sole 

Rex sole 53% 

stratum 5 

Species 915-1, 097 m 

Biomass 

(t) 

Brown cat shark 32% 

Spiny dogfish 

Bering skate 

Longnose skate


Black skate 164 51%


Pacific whi ting 83%


Pacific grenadier 453 47%


Giant grenadier 201 23%


Shortspine thornyhead 006 33%


Longspine thornyhead 767 21%


Pacific ocean perch


Aurora rockfish 

Darkblotched rockfish


Splitnose rockfish 

Redbanded rockfish


Sablefish 497 24%


Twoline eelpout 235 47%


Bigfin eelpout 56%


Black eelpout


Lycenchelys spp.


Arrowtooth flounder 

Slender sole


Dover sole 851 59%


Deepsea sole 490 26%


Rex sole


stratum 2


367-549 m


Biomass 

(t) 

150 41% 

65% 

734 40% 

461 61% 

581 41% 

125 37% 

980 37% 

728 43% 

390 90% 

143 35% 

100% 

105 38% 

575 43% 

57% 

960 45% 

100% 

823 56% 

stratum 6 

098-1, 280 m 

Biomass 

(t) 

50% 

69% 

69% 

533 33% 

005 53% 

526 22% 

018 26% 

479	 37% 

77% 

942 72% 

83% 

stratum 3 stratum 4


550-732 m 733-814 m


Biomass Biomass 

(t) (t) 

345 47% 152 23% 

100% 

100% 

482 43% 100% 

44% 

690 47% 92%


87%


139 85% 174 69%


1, 651 17% 486 15%


828 44% 8, 023 10%


73% 100% 

048 31% 216 45%


67% 235 24%


77%


35% 

100% 

10, 065 37% 449 53%


438 55%


100%


All Strata 

183-1, 280 m 

Biomass 

(t) 

845 22% 

333 64% 

866 35% 

238 47% 

334 32% 

14, 234 30% 

080 27% 

518 25% 

849 13% 

21, 615 15% 

811 41% 

032 69% 

10, 420 18% 

579 23% 

49% 

127 32% 

648 39% 

153 49% 

25, 330 23% 

989 28% 

912 55% 
!l!able 21. --Estimates of fish biomass (metric tons) and coefficient of variation (CV) by stratum 

for the Xnternational North 
 ~acific 

West Coast upper continental slope bottom trawl survey. Differences in totals 

Fisheries Commission MOnterey area from the 1997


resul t from rounding. 

stratum 1 stratum 2 

Species 183-366 m 367-549 m 

Biomass Biomass 

(t) (t) 

Brown cat shark 100% 369 33%


Spiny dogfish 174 90% 040 59%


Bering skate 210 41% 606 26%


Longnose skate 050 28% 230 20%


Black skate


Pacific whiting 351 59% 405 16%


Pacific grenadier


Giant grenadier


Shortspine thornyhead 63% 450 33%


Longspine thornyhead 261 58%


Pacific ocean perch 100%


Aurora rockfish 875 71%


Darkblotched rockfish 45% 100%


Splitnose rockfish 159 69% 176 81%


Redbanded rockfish 83% 82%


Sablefish 426 53% 623 35%


Twoline eelpout 100%


Bigfin eelpout


Black eelpout 83%


Lycenchelys spp. 130 70% 933 22% 

Arrowtooth flounder 100% 100% 

Slender sole 015 46% 133 55% 

Dover sole 485 48% 327 41% 

Deepsea sole 100% 

Rex sole 896 18% 860 29% 

stratum 5 Stratum 6 

Species 915-1, 097 m 098-1, 280 m 

Biomass Biomass 

(t) (t) 

Brown cat shark 39% 62% 

Spiny dogfish 

Bering skate 

Longnose skate


Black skate 497 26% 536 36%


Pacific whiting 94 % 52%


Pacific grenadier 719 22% 839 10%


Giant grenadier 197 27% 957 24%


Shortspine thornyhead 587 27% 118 22%


Longspine thornyhead 600 12% 782 22%


Pacific ocean perch


Aurora rockfish 

Darkblotched rockfish


Splitnose rockfish 

Redbanded rockfish


Sablefish 566 29% 864 21%


Twoline eelpout 291 44% 249 28%


Bigfin eelpout 122 49% 75%


Black eelpout 100%


Lycenchelys spp.


Arrowtooth flounder


Slender sole


Dover sole 280 43% 018 30%


Deepsea sole 531 15% 975 52%


Rex sole


stratum 3 stratum 4


550-732 m 733-914 m


Biomass Biomass 

(t) (t) 

651 14% 328 12% 

100% 

120 34% 

213 20% 100% 

96% 

420 38% 60% 

95% 35% 

264 75% 387 41% 

853 23% 684 51% 

081 38% 13, 430 23% 

53% 

100% 

100% 

503 31% 710 32% 

206 37% 208 48% 

100% 47% 

187 81% 86% 

107 31% 

5, 950	 21% 6, 864 37% 

51% 281 30% 

83% 

All Strata 

183-1, 280 m 

Biomass 

(t) 

476 11% 

274 50% 

936 20% 

516 20% 

128 22% 

19, 240 30% 

13, 734 12% 

805 17% 

766 14% 

30, 152 12% 

888 69% 

40% 

364 78% 

66% 

16, 692 14% 

957 20% 

184 35% 

290 56% 

170 20% 

72% 

148 41% 

926 17% 

878 20% 

844 19% 
Table 22. --Estimates of fish biomass (metric tons) and coefficient of variation (CV) by stratum 

for the Xnternational North Pacific Fisheries Commission Eureka area from the 1997 

West Coast upper continental slope bottom trawl survey. Differences in totals 

resul t from rounding. 

stratum 1 stratum 2 

Species 183-366 m 367-549 m 

Biomass Biomass 

(t) (t) 

Brown cat shark 56% 457 25%


Spiny dogfish 538 66% 23, 187 55%


Bering skate 195 41% 182 41%


Long nose skate 428 38% 440 49%


Black skate


Pacific whiting 34, 443 63% 60, 138 42%


Pacific grenadier


Giant grenadier


Shortspine thornyhead 397 42% 432 30% 

Longspine thornyhead 89% 

Pacific ocean perch 

Aurora rockfish 336 48% 

Darkblotched rockfish 585 96% 61% 

Splitnose rockfish 907 39% 100% 

Redbanded rockfish 98% 

Sablefish 958 62% 054 40% 

Twoline ' eelpout 84% 

Bigfin eelpout 

Black eelpout 397 37% 

Lycenchelys spp. 250 24% 183 94% 

Arrowtooth flounder 61% 248 54% 

Slender sole 764 27% 99% 

Dover sole 1, 676 37% , 608 33% 

Deepsea sole 

Rex sole 075 30% 863 47% 

stratum 5 stratum 6 

Species 915-1, 097 m 098-1, 280 m 

Biomass Biomass 

(t) (t) 

Brown cat shark 38% 72% 

Spiny dogfish 

Bering skate


Longnose skate 100%


Black skate 529 28% 435 29%


Pacific whiting 79%


Pacific grenadier 084 28% 176 16%


Giant grenadier 1, 631 19% 785 39%


Shortspine thornyhead 861 33% 901 17%


Longspine thornyhead 868 502 15%


Pacific ocean perch


Aurora rockfish


Darkblotched rockfish


Spli tnose rockfi sh 

Redbanded rockfish


Sablefish 934 25% 216 12%


Twoline eelpout 183 39% 107 53%


Bigfin eelpout 270 42% 70%


Black eelpout


Lycenchelys spp. 

Arrowtooth flounder 

Slender sole


Dover sole 482 42% 035 43%


Deepsea sole 003 48% 686 34%


Rex sole


stratum 3 stratum 4


550-732 m 733-914 m


Biomass Biomass 

(t) (t) 

501 21% 216 32% 

65% 

183 39% 

73% 

587 36% 58% 

55% 31% 

253 49% 321 53% 

674 36% 393 70% 

419 27% 508 16% 

1, 972 22% 1, 290 76% 

84% 100% 

100% 15% 

632 21% 

62% 

351 24% 103 24% 

44% 405 28% 

730 59% 

All Strata 

183-1, 280 m 

Biomass 

(t) 

286 13% 

23, 758 53% 

378 29% 

056 36% 

048 ' 19% 

96, 244 34% 

440 15% 

5, 990 22% 

3, 659 15% 

24, 332 

336 48% 

594 94% 

909 39% 

98% 

14, 424 16% 

383 27% 

392 29% 

029 19% 

445 41% 

257 52% 

827 26% 

18, 255 16% 

184 25% 

669 25% 
Table 23. --Estimates of fish biomass (metric tons) and coefficient of variation (CV) by stratum 

for the Znternational North Pacific 
 ~isheries 

West Coast upper continental slope bottom trawl survey. Differences in totals 

Commission Columbia area from the 1997


resul t from roundinq. 

stratum 1 

Species 183-366 m 

Biomass 

(t) 

Brown cat shark 142 51% 

Spiny dogfish 409 34% 

Bering skate 741 20% 

Longnose skate 230 26% 

Black skate 

Pacific whiting 224, 998 35% 

Pacific grenadier 

Giant grenadier 

Shortspine thornyhead 1, 650 37% 

Longspine thornyhead 

Pacific ocean perch 315 50% 

Aurora rockfish 88% 

Darkblotched rockfish 481 48% 

Splitnose rockfish 962 53% 

Redbanded rockfish 133 66% 

Sablefish 392 34% 

Twoline eelpout


Bigfin eelpout


Black eelpout 68% 

Lycenchelys spp. 389 20% 

Arrowtooth flounder 489 51% 

Slender sole 978 39% 

Dover sole 324 48% 

Deepsea sole 

Rex sole 233 52% 

stratum 5 

Species 915-1, 097 m 

Biomass 

(t) 

Brown cat shark 23%


Spiny dogfish


Bering skate 100%


Longnose skate


Black skate 158 41%


Pacific whiting 72%


Pacific grenadier 055 36%


Giant grenadier 564 37%


Shortspine thornyhead 642 30%


Longspine thornyhead 285 10%


Pacific ocean perch


Aurora rockfish 

Darkblotched rockfish


Spl i tnose rockfish


Redbanded rockfish


Sablefish 441 28%


Twoline eelpout 143 28%


Bigfin eelpout 28%


Black eelpout


Lycenchelys spp.


Arrowtooth flounder


Slender sole


Dover sole 417 36%


Deepsea sole 379 17%


Rex sole


stratum 2


367-54g m


Biomass 

(t) 

839 27% 

21, 888 56% 

252 52% 

315 27% 

90, 407 16% 

182 18% 

83% 

223 42% 

100 45% 

125 39% 

170 42% 

69% 

707 18% 

100% 

388 83% 

496 26% 

449 31% 

401 57% 

, 335 51% 

100% 

11, 970 76% 

stratum 6 

098-1, 280 m 

Biomass 

(t) 

51% 

797 22% 

79% 

585 13% 

499 16% 

487 24% 

406 14% 

105 26% 

150 27% 

38% 

140 90% 

264 36% 

stratum 3 stratum 4


550-732 m 733-914 m


Biomass Biomass 

(t) (t) 

473 30% 215 20% 

289 100% 

56% 

100% 

182 37% 67% 

12, 188 65% 22% 

210 39% 177 37% 

421 25% 544 33% 

243 25% 214 24% 

3, 563 20% 5, 970 

397 16% 237 17% 

143 34% 121 22% 

69% 49% 

318 49% 100% 

100% 

67% 

71% 

631 36% 818 25% 

149 36% 245 19% 

532 81% 

All Strata 

183-1, 280 m 

Biomass 

(t) 

773 16% 

117	 586 29% 

085 32% 

564 19% 

172 17% 

327 768 25% 

027 12% . 

12, 028 13% 

419 12% 

23, 311 

538 

107 42% 

606 39% 

132 49% 

147 60% 

24, 280 

557 14% 

148 22% 

708 50% 

919 17% 

975 26% 

380 36% 

26, 664 34% 

049 13% 

21, 735 48% 
!rable 24. --Estimates of fish biomass (metric tons) and coefficient of variation (CV) by stratum 

West Coast upper continental slope bottom trawl survey. Differences in totals 

for the International North Pacific Fisheries Commission 
 U. S. -Vancouver area from the


resul t from rounding. 

Species 

Brown cat shark


Spiny dogfish 

Bering skate 

Longnose skate 

Black skate


Pacific whi ting


Pacific grenadier


Giant grenadier


Shortspine thornyhead


Longspine thornyhead


Pacific ocean perch


Aurora rockfish 

Darkblotched rockfish


Splitnose rockfish 

Redbanded rockfish


Sablefish 

Twoline eelpout 

Bigfin eelpout


Black eelpout 

Lycenchelys spp. 

Arrowtooth flounder 

Slender sole 

Dover sole 

Deepsea sole 

Rex sole 

Species 

Brown cat shark


Spiny dogfish 

Bering skate 

Longnose skate 

Black skate 

Pacific whiting


Pacific grenadier


Giant grenadier


Shortspine thornyhead


Longspine thornyhead


Pacific ocean perch


Aurora rockfish 

Darkblotched rockfish 

Spl i tnose rockfish 

Redbanded rockfish 

Sablefish 

Twoline eelpout


Bigfin eelpout


Black eelpout 

Lycenchelys spp. 

Arrowtooth flounder 

Slender sole 

Dover sole 

Deepsea sole 

Rex sole 

stratum 1 stratum 2


183-366 m 367-549 m


Biomass Biomass 

(t) (t) 

14, 258 

404 29% 

225 

32, 192 18% 977 

100% 171 

608 50% 

100% 

161 95% 

100% 

657 69% 211 

129 78% 

194 82% 

009 74% 

131 93% 

stratum 5 Stratum 6 

915-1, 097 m 098-1, 280 m 

Biomass Biomass 

(t) (t) 

100% 

29% 216 

100% 

354 65% 237 

442 43% 290 

165 34% 101 

504 17% 980 

100% 116


100%


100%


100% 

112 52% 

stratum 3 stratum 4


550-732 m 733-914 m


Biomass Biomass 

(t) (t) 

957 111 

553 960 

217 

All Strata 

183-1, 280 m 

Biomass 

(t) 

14, 348 

413 28% 

225 

293 

33, 299 18% 

631 36% 

859 22% 

641 18% 

557 

608 

100% 

161 95% 

100% 

546 18% 

100 29% 

15% 

173 75% 

258 62% 

341 56% 

270 21% 

132 93% 
Table 25. --Estimates of fish population and coefficient of variation (CV) by stratum for the 

International North Pacific Fisheries Commission U. S. -Vancouver, Columbia, Eureka, Monterey, 

and Conception areas combined from the 1996 West Coast upper continental slope bottom trawl


survey. Differences in totals result from roundinq. 

Stratum 1 

Species 183-366 m 

Population 

(number) 

Brown cat shark 636, 325 38% 

Spiny dogfish 119, 359, 300 34%


Bering skate 764, 233 19%


Longnose skate 499, 161 20%


Black skate


Pacific whiting 845, 170, 568 24%


Pacific grenadier


Giant grenadier


Shortspine thornyhead 19, 390 799 28% 

Longspine thornyhead 

Pacific ocean perch 007, 408 77% 

Aurora rockfish 78, 056 68% 

Darkblotched rockfish 178, 920 61% 

Spli tnose rockfish 50, 167 236 30% 

Redbanded rockfish 460, 404 37% 

Sablefish 6, 956 373 32%


Twoline eelpout


Bigfin eelpout


Black eelpout 131, 346 64%


Lycenchelys spp. 544, 362 18%


Arrowtooth flounder 821, 881 68% 

Slender sale 111, 262, 213 26% 

Dover sole 33, 995, 896 25% 

Deepsea sole 

Rex sole 148, 319, 153 27% 

Stratum 5 

Species 915-1, 097 m 

Population 

(number) 

Brown cat shark 171, 957 20% 

Spiny dogfish 901 100% 

Bering skate 764 100% 

Longnose skate 717 100% 

Black skate 832, 730 18% 

Pacific whiting 406 606 38% 

Pacific grenadier 26, 618, 377 17% 

Giant grenadier 410 277 14% 

Shortspine thornyhead 043 280 21% 

Longspine thornyhead 280, 835, 315 

Pacific ocean perch 

Aurora rockfish 

Darkblotched rockfish


Spli tnose rockfish 

Redbanded rockfish


Sablefish 587 833 19%


Twoline eelpout 951, 895 22%


Bigfin eelpout 921, 425 29%


Black eelpout 511, 934 100%


Lycenchelys spp. 

Arrowtooth flounder 

Slender sale


Dover sole 14, 377 445 37%


Deepsea sole 887 624. 14%


Rex sole


Stratum 2


367-549 m


Population 

(number) 

576, 005 19% 

34, 316, 280 46% 

168, 053 25% 

085, 246 21% 

417, 178, 258 28% 

36, 380, 843 20% 

21, 209 791 43% 

323 130 44% 

12, 812, 677 39% 

174, 453 36% 

598, 061 65% 

59, 524 51% 

11, 549, 016 20% 

74, 922 71% 

22, 326 100% 

21, 516, 578 36% 

15, 649, 791 20% 

518, 540 34% 

62, 452, 071 55% 

135, 996, 397 26% 

149 60% 

156 700, 327 39% 

Stratum 6 

098-1, 280 m 

Population 

(number) 

186, 459 38% 

315, 601 17% 

252, 527 49% 

35, 244 186 

12, 779, 652 14% 

565, 065 17% 

168, 043, 238 11% 

932, 998 14% 

225, 477 22% 

236, 186 34% 

552, 498 33% 

217 972 26% 

Stratum 3 Stratum 4


550-732 m 733-914 m


Population Population 

(number) (number) 

898, 777 15% 223, 063 15% 

246, 556 71% 33, 359 77% 

314, 110 32% 

607, 234 33% 45, 480 82% 

146, 742 37% 150, 843 44% 

43, 200, 331 48% 514, 706 25% 

456, 526 40% 728, 175 20% 

319, 620 27% 653, 343 28% 

514, 588 27% 397, 353 23% 

172, 183, 669 15% 409, 655, 302 13% 

94, 374 49% 18, 362 100% 

898 100% 

148, 227 100% 

124, 421 13% 074, 113 16% 

114, 218 23% 249, 001 23% 

456, 368 48% 037, 585 22% 

19, 935, 841 28% 256, 787 81% 

818, 642 35% 

59, 315 74% 

33, 547 78% 

35, 668, 934 17% 23, 317, 542 34% 

871, 205 25% 516, 631 14% 

10, 108, 791 48% 585 100% 

All Strata 

183-1, 280 m 

Popula tion


(number) 

23, 692, 585 

153, 963, 396 28% 

261, 159 15% 

10, 245, 837 14% 

445, 915 12% 

306, 722, 996 18% 

72, 047, 264 

26, 162, 892 10% 

74, 291, 927 13% 

051, 927, 315 

330, 538 71% 

13, 003, 469 38% 

361, 272 59% 

913, 524 33% 

519 927 33% 

44, 224, 753 

615, 513 12% 

673, 890 19% 

42, 352, 487 22% 

25, 012, 795 14% 

399, 736 39% 

173, 747, 831 26% 

250, 908, 712 15% 

13, 549, 580 

315, 135, 854 23% 
Table 26. --Estimates of fish population and coefficient of va~iation (CV) by st~atum for the 

Inte~national North Pacific Fishe~ies Commission Conception area f~om the 1997 

West Coast upper continental slope bottom trawl survey. Differences in totals result


f~om ~oundinq. 

St~atum 1 

Species 183-366 m 

Population 

(numbe~) 

Brown cat shark 312, 337 59%


Spiny dogfish 222, 407 82%


Bering skate 137 161 45%


Longnose skate 745, 620 79%


Black skate


Paci fic whiting 171, 236 42%


Pacific grenadier


Giant grenadier


Shortspine thornyhead 188, 343 95%


Longspine thornyhead


Pacific ocean perch


Aurora rockfish 20, 093 100%


Darkblotched rockfish


Spli tnose rockfish 164, 504 69%


Redbanded rockfish


Sablefish 61, 660 46%


Twoline eelpout


Bigfin eelpout


Black eelpout 103 86%


Lycenchelys spp. 759 279 50%


Arrowtooth flounder


Slender sole 759, 653 51%


Dover sale 757 819 44%


Deepsea sale


Rex sale 811, 244 60%


Stratum 

Species 915-1 097 m 

Population 

(numbe~) 

Brown cat shark 190, 607 28% 

Spiny dogfish 

Bering skate 

Longnose skate 

Black skate 103, 734 57% 

Pacific whiting 72, 451 83% 

Pacific grenadier 423, 252 39% 

Giant grenadier 182 624 21% 

Shortspine thornyhead 456, 906 38% 

Longspine thornyhead 32, 831, 975 15% 

Pacific ocean perch 

Aurora rockfish


Darkblotched rockfish


Spli tnose rockfish


Redbanded rockfish


Sablefish 002, 390 27%


Twoline eelpout 617 818 44%


Bigfin eelpout 170, 089 54%


Black eelpout


Lycenchelys spp.


Arrowtooth flounder


Slender sale


Dover sale 849 939 59%


Deepsea sale 673, 957 26%


Rex sole


Stratum 2


367-549 m


Popula tion


(numbe~) 

925, 630 46% 

61, 541 51% 

812, 474 33% 

703, 013 48% 

17, 951, 453 26% 

533 156 40% 

452, 503 52% 

548, 247 44% 

16, 934, 337 91% 

042, 295 32% 

12, 479 100% 

977, 529 37% 

607, 927 43% 

189, 873 58% 

482, 515 39% 

23, 880 100% 

13, 420, 560 57% 

St~atum 6 

098-1, 280 m 

Population 

(number) 

112, 828 56% 

77, 767 54% 

13, 594 61% 

240, 513 28% 

999, 213 48% 

322, 706 18% 

769 607 29% 

197 093 40% 

276, 402 58% 

800, 657 68% 

093 76% 

Stratum 3 Stratum 4


550-732 m 733-914 m


Popula tion Population 

(number) (number) 

938, 966 50% 899, 947 34% 

10, 561 100% 

33, 417 100% 

492, 274 72% 44, 459 100% 

53, 836 39% 

976, 245 49% 154, 423 83% 

248, 534 58% 

157, 023 87% 185, 977 73% 

474, 240 12% 375, 217 

50, 862, 097 43% 61, 156, 161 

114, 820 69% 22, 230 100% 

505, 337 28% 921, 128 40% 

205, 010 79% 735, 422 20% 

185, 977 73% 

612, 923 38% 

15, 087 100% 

16, 459 186 36% 537, 481 60%


606, 420 45%


182 100%


All St~ata 

183-1, 280 m 

Popula tion


(numbe~) 

380, 315 32% 

294, 509 63% 

983, 052 28% 

985, 366 36% 

235, 337 32% 

70, 339, 402 29% 

912, 299 22% 

524, 837 23% 

350, 569 13% 

176, 072, 344 15% 

705, 390 43% 

34, 098, 841 57% 

729, 902 16% 

847, 130 21% 

356, 066 46% 

680, 555 28% 

382, 293 37% 

949, 526 48% 

46, 887, 596 23% 

364, 350 24% 

15, 240 986 50% 
Table 27. --Estimates of fish population and coefficient of variation (CV) by stratum fo~ the Inte~national No~th Pacific Fishe~ies Commission Honte~ey a~ea from the 1997


West Coast upper continental slope bottom trawl survey. Diffe~ences in totals ~esult 

from ~ounding. 

St~atum 1 

Species 183-366 m 

Popula tion


(numbe~) 

Brown cat shark 80, 255 100%


Spiny dogfish 92, 109 75%


Bering skate 626, 906 45%


Longnose skate 338, 696 23%


Black skate


Pacific ,whiting 54, 564, 069 73%


Pacific grenadier


Giant grenadier


Shortspine thornyhead 562, 981 50%


Longspine thornyhead


Pacific ocean perch 13, 572 100%


Aurora rockfish 

Darkblotched rockfish 179 784 44% 

Splitnose rockfish 548, 316 58% 

Redbanded rockfish 44, 741 57%' 

Sablefish 448, 949 42% 

Twoline eelpout 

Bigfin eel pout 

Black eelpout 

Lycenchelys spp. 862, 929 56% 

Arrowtooth flounder 664 100% 

Slender sole 19, 867 171 51% 

Dover sale 893, 763 42% 

Deepsea sale 

Rex sole 25, 545, 534 15% 

St~atum 5 

Species 915-1, 097 m 

Popula tion


(numbe~) 

Brown cat shark 356, 271 47% 

Spiny dogfish 

Bering skate 

Longnose skate


Black skate 289, 975 25%


Pacific whiting 79, 685 90%


Pacific grenadier 11, 898, 988 24%


Giant grenadier 321, 074 27%


Shortspine thornyhead 374, 399 26%


Longspine thornyhead 74, 627, 739 16%


Pacific ocean perch


Aurora rockfish


Darkblotched rockfish


Spli tnose rockfish


Redbanded rockfish


Sablefish 858, 893 27%


Twoline eelpout 680 013 41%


Bigfin eelpout 080, 256 47%


Black eelpout 457 847 100%


Lycenchelys spp.


Arrowtooth flounder


Slender sale


Dover sole 165 807 46%


Deepsea sale 365, 838 12%


Rex sale


Stratum 2


367-549 m


Popula tion


(numbe~) 

275, 760 43% 

717, 428 41% 

978, 579 26% 

882, 293 23% 

138, 472 20% 

140, 619 36% 

257, 244 57% 

657, 975 65% 

718 100% 

858, 022 86% 

25, 423 69% 

239, 649 31% 

126 100% 

629, 469 85% 

346, 076 25% 

329 100% 

097 012 50% 

35, 189, 696 44% 

19, 098 100% 

813, 540 28% 

St~atum 6 

098-1, 280 m 

Popula tion


(numbe~) 

35, 105 57% 

267, 455 26% 

80, 615 49% 

11, 239, 684 

682, 950 24% 

397 259 24% 

45, 848, 316 24% 

542, 396 19% 

552, 574 32% 

658 80% 

478, 040 38% 

354, 701 48% 

Stratum 3 Stratum 4


550-732 m 733-914 m


Popula tion Population 

(numbe~) (number) 

185, 215 13% 645, 899 16% 

37, 765 100% 

147, 167 35% 

150 002 20% 122 100% 

74, 386 76% 

487, 827 34% 11 7, 973 58% 

625, 778 92% 143, 078 26% 

284, 997 78% 483, 394 42% 

455, 531 31% 644, 879 44% 

22, 881, 350 43% 157, 633, 141 26% 

20, 003 50% 

326 100% 

107, 648 100% 

614, 680 28% 075, 405 29% 

418, 548 32% 848, 783 47% 

75, 466 100% 488, 246 47% 

384, 828 77% 230, 548 82% 

427, 820 29% 

10, 548, 304 22% 11, 244, 763 48% 

137 717 44% 980, 386 32% 

542, 175 85% 

All St~ata 

183-1, 280 m 

Population 

(numbe~) 

578, 505 12% 

847 302 36% 

752, 652 22% 

379, 112 17% 

631, 815 18% 

75, 468, 641 53% 

25, 907 528 13% 

772, 415 17% 

575, 669 14% 

303, 247, 791 15% 

13, 572 100% 

677 978 65% 

191, 828 42% 

21, 513, 985 72% 

70, 164 44% 

779, 971 12% 

505, 043 21% 

723, 626 33% 

702, 691 53% 

636, 824 21% 

11, 993 71% 

21, 964, 183 47% 

77, 520, 373 22% 

857 740 16% 

55, 901, 249 17% 
Table 28. --Estimates of fish population and coefficient of variation (CV) by stratum for the 

International North Pacific Fisheries Commission Eureka area from the 1997


West Coast upper continental slope bottom trawl survey. Differences in totals result 

from rounding. 

Stratum 1 

Species 183-366 m 

Population 

(number) 

Brown cat shark 38, 893 52%


Spiny dogfish 260, 368 65%


Bering skate 740, 379 49%


Longnose skate 271, 015 45%


Black skate


Pacific whiting 130, 003 412 55%


Pacific grenadier


Giant grenadier


Shortspine thornyhead 536, 323 41%


Longspine thornyhead


Paci~ic ocean perch


Aurora rockfish


Darkblotched rockfish 338, 584 95%


Spli tnose rockfish 992 291 31%


Redbanded rockfish 122, 479 89%


Sablefish 742, 823 67%


Twoline eelpout


Bigfin eelpout


Black eelpout


Lycenchelys spp. 184, 060 16%


Arrowtooth flounder 22, 380 47%


Slender sole 18, 484, 212 32%


Dover sale 941 787 27%


Deepsea sole


Rex sole 32, 543, 187 35%


Stratum 5 

Species 915-1, 097 m 

Population 

(number) 

Brown cat shark 224, 991 42% 

Spiny dogfish 

Bering skate


Longnose skate 10, 812 100%


Black skate 290, 735 40%


Pacific whi ting 75, 321 84%


Pacific grenadier 509, 300 27%


Giant grenadier 742, 579 16%


Shortsplne thornyhead 422, 296 30%


Longspine thornyhead 91, 529, 284 11%


Pacific ocean perch


Aurora rockfish


Darkblotched rockfish


Spli tnose rockfish 

Redbanded rockfish


Sablefish 867 481 27%


Twoline eelpout 279, 591 36%


Bigfin eelpout 289, 629 46%


Black eelpout


Lycenchelys spp. 

Arrowtooth flounder 

Slender sole 

Dover sale 533, 480 35% 

Deepsea sale 690, 078 39% 

Rex sale 

Stratum 2


367-549 m


Population 

(number) 

961, 606 22% 

10, 524, 998 55% 

313, 124 44% 

835, 865 53% 

172, 091, 028 41% 

632, 343 39% 

328, 938 97% 

827, 655 59% 

15, 466 63% 

304 100% 

304 075 40% 

46, 928 86% 

7, 717 , 639 45% 

070, 271 93% 

358, 677 56% 

878, 230 98% 

, 973, 174 32% 

16, 472, 346 47% 

Stratum 6 

098-1, 280 m 

Population 

(number) 

12, 275 63% 

285, 096 26% 

076, 996 13% 

458 718 37% 

389, 577 14% 

145 382 14% 

208, 898 13% 

134, 399 59% 

555 70% 

004, 987 43% 

073, 273 31% 

Stratum 3 Stratum 4


550-732 m 733-914 m


Popula tion Population 

(number) (number) 

009, 860 22% 528, 747 54% 

16, 957 61% 

71, 484 26% 

42, 258 77% 

174, 353 36% 76, 467 58% 

470, 044 48% 715, 180 36% 

303, 429 53% 532, 270 53% 

719, 121 37% 190, 992 52% 

40, 276, 368 36% 104, 265, 571 19% 

176, 974 24% 787, 523 74% 

118, 282 83% 13, 111 100% 

165, 230 100% 897, 648 17% 

10, 768, 311 22% 

21, 065 89% 

064, 666 27% 418, 618 19% 

187, 908 45% 051, 052 26% 

634, 219 60% 

All Strata 

183-1, 280 m 

Population 

(number) 

776, 371 20% 

10, 802, 324 54% 

053, 503 37% 

189, 177 39% 

618, 088 23% 

305, 420, 581 33% 

13, 771, 520 14% 

036, 997 21% 

890, 651 24% 

283, 545, 543 10% 

827 655 59% 

354, 049 94% 

002, 595 31% 

122, 479 89% 

087 773 21% 

592, 310 28% 

390, 063 31% 

485, 949 23% 

275, 395 32% 

381, 057 53% 

362, 442 31% 

35, 936, 712 17% 

002, 312 20% 

54, 649, 752 26% 
Table 29. --Estimates of fish population and coefficient of variation (CV) by stratWD fo~ the International North Pacific Fishe~ies Commission Columbia area from the 1997 

West Coast upper continental slope bottom 


from ~oundin9'. 

Stratum 1 

Species 183-366 m 

Population 

(numbe~) 

Brown cat shark 183 064 45%


Spiny dogfish 110, 990 329 33%


Bering skate 528, 664 22%


Longnose skate 444, 105 25%


Black skate


Pacific whiting 548, 115, 031 30%


Pacific grenadier


Giant grenadier


Shortspine thornyhead 12, 537 156 35%


Longspine thornyhead


Pacific ocean perch 537 526 52%


Aurora rockfish 60, 210 86%


Darkblotched rockfish 696, 252 53%


Spli tnose rockfish 16, 025 672 49%


Redbanded rockfish 228, 132 34%


Sablefish 709, 343 40%


Twoline eelpout


Bigfin eelpout


Black eelpout 43, 104 68%


Lycenchelys spp. 881, 895 25%


Arrowtooth flounder 809, 560 47%


Slender sole 098, 749 45%


Dover sole 100, 429 50%


Deepsea sale


Rex sale 907, 324 51%


St~atWD 5 

Species 915-1 097 m 

Population 

(number) 

Brown cat shark 363, 495 22% 

Spiny dogfish 

Bering skate 12, 427 100% 

Longnose skate 

Black skate 110 506 30% 

Pacific whiting 144, 882 69% 

Pacific grenadier 991, 924 21% 

Giant grenadier 765 127 34% 

Shortspine thornyhead 703 625 61% 

Longspine thornyhead 374, 974 10%


Pacific ocean perch


Aurora ' rockfish


Darkblotched rockfish


Spl i tnose rockfish
 Redbanded rockfish


Sablefish 821, 157 31%


Twoline eelpout 327 741 34%


Bigfin eelpout 589, 898 28%


Black eelpout


Lycenchelys spp.


Arrowtooth flounder


Slender sale


Dover sale 439 195 34%


Deepsea sole 928, 608 15%


Rex sale


t~awl survey. Diffe~ences in totals result


StratWD 

367-549 m


Population 

(number) 

999, 204 31% 

21, 915, 874 68% 

903, 304 57% 

698, 985 22% 

174 554, 163 18% 

28, 094, 219 20% 

897, 567 69% 

358, 556 38% 

467, 076 61% 

164, 062 37% 

578, 161 35% 

24, 745 72% 

204, 417 19% 

24, 774 100% 

280, 555 80% 

128, 297 29% 

237 556 35% 

63, 614, 023 57% 

54, 417, 102 53% 

15, 010 100% 

92, 541, 903 73% 

StratWD 6 

098-1, 280 m 

Population 

(number) 

401 45% 

550, 189 30% 

141, 891 74% 

11, 816, 784 11% 

799, 845 15% 

346, 940 25% 

53, 702, 914 15% 

818, 198 27% 

229, 609 29% 

93, 005 37% 

142, 502 91% 

583 604 28% 

St~atWD 3 Stratum 4 

550-732 m 733-914 m 

Popula tion Population 

(numbe~) (number) 

206 826 38% 137, 969 18% 

144, 758 100% 

73, 046 62% 

21, 714 100% 

91, 542 36% 13, 241 67% 

26, 394, 021 64% 131, 539 21% 

434, 422 27% 918, 277 30% 

439, 691 24% 799, 411 34% 

081, 391 35% 300, 507 31% 

52, 155, 271 20% 76, 798, 714 

968, 154 16% 827, 464 16% 

261, 459 33% 401, 120 22% 

170, 089 67% 466, 332 50% 

351, 535 50% 6, 065 100% 

151, 996 100% 

50, 345 71% 

28, 474 76% 

526, 703 38% 112, 862 23% 

311, 465 38% 770, 877 19% 

531, 123 84% 

All St~ata 

183-1, 280 m 

Population 

(number) 

918, 958 18% 

133, 050, 961 29% 

517, 441 32% 

164, 804 18% 

765, 478 23% 

749, 481, 527 23% 

19, 161, 407 

10, 804, 074 13% 

44, 063, 838 16% 

253, 929, 440 

896, 081 35% 

527 286 55% 

860, 313 49% 

16, 603, 833 47% 

252, 878 32% 

16, 348, 734 12% 

219, 929 15% 

344, 099 23% 

11, 681, 259 49% 

162, 188 18% 

097, 461 28% 

122, 741, 246 36% 

77, 738, 794 38% 

609, 563 11% 

166, 980 350 46% 
Table 30. --Estimates of fish population and coefficient of variation (CV) by stratum for the


International North Pacific Fisheries Commission 
 U. S. -Vancouver area from the 1997


West Coast upper continental slope bottom trawl survey. Differences in totals result


from roundinq. 

Stratum 1 Stratum 2 Stratum 3 

Species 183-366 m 367-549 m 550-732 m 

Popula tion Popula tion Population 

Brown cat shark


Spiny dogfish 

Bering skate 

Longnose skate 

Black skate 

Pacific whiting


Pacific grenadier


Giant grenadier


Shortspine thornyhead


Longspine thornyhead


Pacific ocean perch


Aurora rockfish 

Darkblotched rockfish


Spli tnose rockfish 

Redbanded rockfish


Sablefish 

Twoline eelpout 

Bigfin eelpout 

Black eelpout 

Lycenchelys spp. 

Arrowtooth flounder 

Slender sole 

Dover sole 

Deepsea sale


Rex sole


Species 

(number) (number) (number) 

88, 023 28, 051 

23, 148, 136 29% 99, 026 

768, 075 45% 11, 003 

454, 992 22% 

50, 003, 862 27% 826, 481 140, 256 

294, 537 

84, 153 

328, 080 100% 584, 417 224, 409 

121 032 19, 705, 911 

872, 829 76% 

176, 658 100% 

900 045 87% 

35, 477 100% 

739, 537 73% 187 049 280, 511 

28, 051 

132, 035 210, 383 

014 

962, 919 91% 55, 014 

954, 171 76% 199, 316 

174, 615 82% 209 055 462, 843 

238, 435 

775, 219 91% 11, 003 

Stratum 5 Stratum 6 All Strata 

915-1, 097 m 098-1, 280 m 183-1, 280 m 

Stratum 4


733-914 m


Popula tion


(number) 

47, 159 

47, 159 

15, 720 

47, 159 

298, 672 

78, 598 

31, 439 

14, 304, 800 

503, 026 

330, 111 

110, 037 

15, 720 

251, 513 

Population Population Popula tion 

Brown cat shark


Spiny dogfish 

Bering skate 

Longnose skate


Black skate 

Pacific whiting


Pacific grenadier


Giant grenadier


Shortsplne thornyhead


Longspine thornyhead


Pacific ocean perch


Aurora rockfish 

Darkblotched rockfish


Spli tnose rockfish 

Redbanded rockfish


Sablefish 

Twoline eelp6ut 

Bigfin eelpout 

Black eelpout 

Lycenchelys spp. 

Arrowtooth flounder 

Slender sole 

Dover sale 

Deepsea sale


Rex sole


(number) (number) (number) 

163, 233 

394 100% 23, 302, 715 29% 

779, 078 44% 

454, 992 22% 

59, 014 71% 140, 330 215, 063 19% 

25, 182 100% 52, 042, 939 26% 

364, 746 50% 010 374 968, 328 23% 

463, 479 49% 266, 626 892, 857 26% 

110, 908 98, 231 377 483 14% 

14, 403, 501 12, 152, 551 60, 687, 796 

872, 829 76% 

176, 658 100% 

900, 045 87% 

35, 477 100% 

33, 576 100% 28, 066 771, 766 30% 

60, 543 100% 14, 033 432, 738 14% 

25, 182 100% 28, 066 163, 285 15% 

342, 418 

55, 014 

017, 933 90% 

153, 487 54% 

649 100% 870, 883 70% 

222, 581 32% 099 754, 627 

786, 221 91% 
33 

Table 31. --Total number of hauls and hauls with weight , number and length data by 

stratum for the International North Pacific Fisheries Commission


Conception , Monterey, Eureka , Columbia , and U. s. -Vancouver areas from 

the 1997 West Coast upper continental slope bottom trawl survey. 

Species 

Brown cat shark


Spiny dogfish

Bering skate 

Longnose skate

Black skate 

Pacific whiting


Pacific grenadier


Giant grenadier


Shortspine thornyhead


Longspine thornyhead


Pacific ocean perch


Aurora rockfish 

Darkblotched rockfish 

Spli tnose rockfish 

Redbanded rockfish


Sablefish 

Twoline eelpout 

Bigfin eelpout


Black eelpout


Lycenchelys spp.
 Arrowtooth flounder


Slender sole


Dover sole 

Deepsea sole


Rex sole 

Species 

Brown cat shark


Spiny dogfish

Bering skate 

Longnose skate

Black skate 

Pacific whiting


Pacific grenadier


Giant grenadier


Shortspine thornyhead


Longspine thornyhead


Pacific ocean perch


Aurora rockfish 

Darkblotched rockfish


Splitnose rockfish 

Redbanded rockfish


Sab1efish 

Twoline eelpout 

Bigfin eelpout


Black eelpout


Lycenchelys spp.
 Arrowtooth flounder


Slender sole


Dover sole 

Deepsea sole


Rex sole 

stratum 1 stratum 2 stratum 3 183-366 m 367-549 m 550-732 m Total hauls = 31 Total hauls = 33 Total hauls = 30 

Hauls with: Hauls with: Hauls with: Wqt. No. Lgth. Wqt. No. Lgth. Wgt. No. Lgth. 

stratum 4


733-914 m


Total hauls = 26


Hauls with: Wgt. No. Lgth. 26 26 

18 18 23 23 23 23 25 25 26 26 

26 26
 21 21
 19 19 


26 26
 25 25 


stratum 5


915-1, 097 m 

Total hauls = 29


Hauls wi th: Wqt. No. Lgth. 23 23 

24 24 13 13 29 29 29 29 29 29 29 29 

28 28
 24 24
 24 24 


25 25
 29 29 


stratum 6


098-1 280 m 

Total hauls = 33


Hauls with: Wgt. No. Lgth. 13 13 

30 30 13 13 33 33 3'3 33 3333 33 

33 33
 29 29
 14 14 


19 19
 29 29 

Table 32. --Total number of hauls and hauls with weight number and length data by 

stratum for the International North Pacific Fisheries Commission 

Conception area from the 1997 West Coast upper continental slope 

bottom trawl survey.


Species 

Brown cat shark


Spiny dogfish


Bering skate 

Longnose skate

Black skate 

Pacific whiting


Pacific grenadier


Giant grenadier


Shortspine thornyhead


Longspine thornyhead


Pacific ocean perch


Aurora rockfish 

Darkblotched rockfish 

Spli tnose rockfish 

Redbanded rockfish


Sablefish 

Twoline eelpout 

Bigfin eelpout


Black eelpout

Lycenchelys spp. Arrowtooth flounder 

Slender sole 

Dover sole 

Deepsea sole


Rex sole 

Species 

Brown cat shark


Spiny dogfish


Bering skate 

Longnose skate

Black skate 

Pacific whiting


Pacific grenadier


Giant 9renadier


Shortspine thornyhead


Longspine thornyhead


Paci fic ocean perch 

Aurora rockfish 

Darkblotched rockfish 

Spli tnose rockfish 

Redbanded rockfish 

Sablefish 

Twoline eelpout 

Bigfin eelpout

Black eelpout

Lycenchelys spp. Arrowtooth flounder 

Slender sole 

Dover sole 

Deepsea sole 

Rex sole 

stratum 1


183-366 m


Total hauls = 4


Hauls with:


Wgt. No. Lgth.


stratum 4 

733-914 m 

Total hauls = 4 

Hauls with: 

Wgt. No. Lgth. 

stratum 2


367-549 m


Total hauls = 6


Hauls with:


Wgt. No. Lgth.


stratum 5


915-1 097 

Total hauls = 5


Hauls with:


Wgt. No. Lgth.


stratum 3 

550-732 m 

Total hauls = 5 

Hauls with: 

Wgt. No. Lgth. 

stratum 6 

098-1 280 m 

Total hauls = 5 

Hauls with: 

Wgt. No. Lgth. 
Table 33. --Total number of hauls and hauls with weight number and length data by 

stratum for the International North Pacific Fisheries Commission 

Monterey area from the 1997 West 
 Coa~t upper continental slope 

su~y. 

stratum 1


183-366 m


Total hauls = 7


Hauls with:


Wgt. No. Lgth.


stratum 4 

733-914 m 

Total hauls = 7 

Hauls with: 

Wgt. No. Lgth. 

bottom trawl 


Species 

Brown cat shark


Spiny dogfish

Bering skate

Longnose skate

Black skate 

Pacific whiting


Pacific grenadier


Giant grenadier


Shortspine thornyhead


Longspine thornyhead


Pacific ocean perch


Aurora rockfish 

Darkblotched rockfish


Spli tnose rockfish 

Redbanded rockfish


Sablefish 

Twoline eelpout 

Bigfin eelpout


Black eelpout


Lycenchelys spp.
 Arrowtooth flounder


Slender sole


Dover sole 

Deepsea sole 

Rex sole 

Species 

Brown cat shark


Spiny dogfish

Bering skate 

Longnose skate

Black skate 

Pacific whiting


Pacific grenadier


Giant grenadier


Shortspine thornyhead


Longspine thornyhead


Pacific ocean perch


Aurora rockfish 

Darkblotched rockfish


Spli tnose rockfish 

Redbanded rockfish


Sablefish 

Twoline eelpout 

Bigfin eelpout


Black eelpout

Lycenchelys spp. Arrowtooth flounder 

Slender sole 

Dover sole 

Deepsea sole


Rex sole


stratum 2 

367-549 m 

Total hauls = 9 

Hauls with: 

Wgt. No. Lgth. 

stratum 5 

915-1 097 

Total hauls = 8


Hauls with:


Wgt. No. Lgth.


stratum 3 

550-732 m 

Total hauls = 9 

Hauls with: 

Wgt. No. Lgth. 

stratum 6 

098-1 280 m 

Total hauls = 10 

Hauls with:


Wgt. No. Lgth.

Table 34. --Total number of hauls and hauls with weight number and length cia ta by 

stratum for the International North Pacific Fisheries Commission 

Eureka area from the 1997 West Coast upper continental slope 

bottom trawl survey. 

Species 

Brown cat shark


Spiny dogfish


Bering skate 

Longnose skate

Black skate 

Pacific whiting


Pacific grenadier


Giant grenadier


Shortspine thornyhead


Longspine thornyhead


Pacific ocean perch


Aurora rockfish 

Darkblotched rockfish 

Spli tnose rockfish 

Redbanded rockfish


Sablefish 

Twoline eelpout 

Bigfin eelpout


Black eelpout

Lycenchelys spp. Arrowtooth flounder 

Slender sole 

Dover sole 

Deepsea sole


Rex sole 

Species 

Brown cat shark


Spiny dogfish


Bering skate 

Longnose skate

Black skate 

Pacific whiting


Pacific grenadier


Giant grenadier


Shortspine thornyhead


Longspine thornyhead


Pacific ocean perch


Aurora rockfish 

Darkblotched rockfish


Spli tnose rockfish 

Redbanded rockfish


Sablefish 

Twoline eelpout 

Bigfin eelpout


Black eelpout


Lycenchelys spp.
 Arrowtooth flounder


Slender sole


Dover sole


Deepsea sole


Rex sole 

stratum 1


183-366 m


Total hauls = 5


Hauls with:


Wgt. No. Lgth.


stratum 4 

733-914 m 

Total hauls = 4 

Hauls with: 

Wgt. No. Lgth. 

stratum 2


367-549 m


Total hauls = 5


Hauls with:


Wgt. No. Lgth.


stratum 5


915-1, 097 

Total hauls = 5


Hauls with:


Wgt. No. Lgth.


stratum 3 

550-732 m 

Total hauls = 5 

Hauls with: 

Wgt. No. Lgth. 

stratum 6 

098-1 280 m 

Total hauls = 6 

Hauls with: 

Wgt. No. Lgth. 
Table 35. --Total number of hauls and hauls with weight number and length data by 

stratum for the International North Pacific Fisheries Commission 

Columbia area from the 1997 West Coast upper continental slope bottom 

trawl survey.


Species 

Brown cat shark


Spiny dogfish


Bering skate 

Longnose skate

Black skate 

Pacific whiting


Pacific grenadier


Giant grenadier


Shortspine thornyhead


Longspine thornyhead


Pacific ocean perch


Aurora rockfish 

Darkblotched rockfish


Spli tnose rockfish 

Redbanded rockfish


Sablefish 

Twoline eelpout 

Bigfin eelpout


Black eelpout

Lycenchelys spp. Arrowtooth flounder 

Slender sole 

Dover sole 

Deepsea sole 

Rex sole 

Species 

Brown cat shark


Spiny dogfish

Bering skate 

Longnose skate

Black skate 

Pacific whiting


Pacific grenadier


Giant grenadier


Shortspine thornyhead


Longspine thornyhead


Pacific ocean perch


Aurora rockfish 

Darkblotched rockfish 

Spli tnose rockfish 

Redbanded rockfish


Sablefish


Twoline eelpout


Bigfin eelpout


Black eelpout


Lycenchelys spp.
 Arrowtooth flounder


Slender sole


Dover sole 

Deepsea sole 

Rex sole 

stratum 1


183-366 m


Total hauls = 13


Hauls with:


Wgt. No. Lgth.


Stratum 4


733-914 m


Total hauls = 10


Hauls with:


Wgt. No. Lgth.


stratum 2


367-549 m


Total hauls = 12


Hauls with:


Wgt. No. Lgth.


stratum 5


915-1 097 

Total hauls = 9


Hauls with:


Wgt. No. Lgth.


stratum 3


550-732 m


Total hauls = 10


Hauls with:


Wgt. No. Lgth .


Stratum 6 

098-1 280 m 

Total hauls = 11 

Hauls wi th: 

Wgt. No. Lgth . 
Table 36. --Total number of hauls and hauls with weight number and length data by 

stratum for the International North Pacific Fisheries Commission 

u. S. -Vancouver area from the 1997 West Coast upper continental slope


bottom trawl survey. 

Species 

Brown cat shark


Spiny dogfish


Bering skate 

Longnose skate

Black skate 

Pacific whiting


Pacific grenadier


Giant grenadier


Shortspine thornyhead


Longspine thornyhead


Pacific ocean perch


Aurora rockfish 

Darkblotched rockfish 

Spli tnose rockfish 

Redbanded rockfish


Sablefish 

Twoline eelpout 

Bigfin eelpout


Black eelpout

Lycenchelys spp. Arrowtooth flounder 

Slender sole 

Dover sole 

Deepsea sole


Rex sole 

Species 

Brown cat shark


Spiny dogfish

Bering skate 

Longnose skate

Black skate 

Pacific whiting


Pacific grenadier


Giant grenadier


Shortspine thornyhead


Longspine thornyhead


Pacific ocean perch


Aurora rockfish 

Darkblotched rockfish 

Spli tnose rockfish 

Redbanded rockfish


Sablefish 

Twoline eelpout 

Bigfin eelpout


Black eelpout 

Lycenchelys spp. Arrowtooth flounder 

Slender sole 

Dover sole 

Deepsea sole


Rex sole 

stratum 1


183-366 m


Total hauls = 2


Hauls with:


Wgt. No. Lgth.


stratum 4 

733-914 m 

Total hauls = 1 

Hauls with: 

Wgt. No. Lgth. 

stratum 2 

367-549 m 

Total hauls = 1 

Hauls with: 

Wgt. No. Lgth. 

stratum 

915-1 097 

Total hauls = 2


Hauls with:


Wgt. No. Lgth.


stratum 3 

550-732 m 

Total hauls = 1 

Hauls with: 

, Wgt. No. Lgth . 

stratum 6 

098-1, 280 m 

Total hauls = 1 

Hauls with: 

Wgt. No. Lgth. 
Table 37. --Population estimates for sablefish by age group and mean 

length at age for all the International North Paicfic 

Fisheries Commission areas combined for all depth strata 

(183-1, 280 m) from the 1997 West Coast upper continental 

slope bottom trawl survey. 

Year 

Age Class 

1996 

1995 

1994 

1993 

1992 

1991 

1990 

1989 

1988 

1987 

1986 

1985 

1984 

1983 

1982 

1981 

1980 

1979 

1978 

1977 

1976 

1975 

1974 

1973 

1972 

1971 

1970 

1969 

1968 

1967 

1966 

1965 

1964 

1963 

1962 

1961 

1960 

1959 

1958 

1957 

1956 

1955 

1954 

1953 

1952 

1951 

1950 

1949 

1948 

1947 

1946 

1945 

1944 

1943 

1941 

1940 

1938 

1934 

1928 

Above, below


between key lengths


Total 

Population 

Number 

123, 279 

938, 022 

033, 664 

841., 942 

983, 384 

198, 608 

719, 333 

651, 855 

557 506 

092, 311 

252, 865 

295, 486 

026, 313 

941, 173 

957 821 

996, 381 

636, 540 

837 196 

895, 652 

508, 396 

387 639 

735, 001 

577 855 

582, 282 

478, 400 

620, 992 

379 505 

462, 134 

693, 745 

451, 950 

264, 976 

319, 132 

358, 747 

606, 202 

198, 974 

360, 411 

459, 431 

428, 904 

342, 981 

243 007 

352, 581 

281, 934 

197 868 

276, 116 

186, 659 

125, 977 

105, 476 

126, 103 

151, 771 

54, 454 

199, 856 

206 933 

16, 981 

76, 083 

46, 144 

41, 112 

390 

14, 070 

943 

298, 392 

44, 214, 838 

Mean 

Length Standard 

(em) Deviation 

35. 

45. 

46. 

48. 

48. 

49. 

52. 44


52. 

53. 

53. 98


53. 

53. 

53. 

55. 

54. 

55. 

56. 

56. 

57. 

56. 

57. 

55. 

56. 

55. 

57. 

56. 

55. 

57. 

56. 

57. 

59. 

54. 

58. 

56. 

60. 

60. 

55. 

55. 

54. 

55. 

57. 

55. 

57. 

57. 

56. 

58. 

57. 

56. 

60. 

62. 1. 45 

58. 

57. 

61. 00


58. 

56. 1. 38 

56. 

64. 

70. 

73. 

31. 80 12. 

52. 
Table 38. --Population es~imates for sablefish by age group and mean 

length at age for the International North Pacific Fisheries 

Commission Conception area for all depth strata (183-1, 280 m)

from the 1997 West Coast upper continental slope .bottom trawl 

survey. 

Year 

Age Class 

1996 

1995 

1994 

1993 

1992 

1991 

1990 

1989 

1988 

1987 

1986 

1985 

1984 

1983 

1982 

1981 

1980 

1979 

1978 

1977 

1976 

1975 

1974 

1973 

1972 

1971 

1970 

1969 

1968 

1967 

1966 

1965 

1964 

1963 

1962 

1961 

1960 

1959 

1958 

1957 

1956 

1955 

1954 

1953 

1952 

1951 

1950 

1949 

1948 

1947 

1946 

1945 

1944 

1943 

1941 

1940 

1934 

1928 

Above, below , or


between key lengths


Total 

Population 

Number 

14, 653 

358, 409 

565, 812 

645, 328 

434, 384 

301, 638 

254, 721 

270, 267 

281, 414 

181, 642 

180, 689 

225 053 

170, 908 

172, 279 

172, 901 

159, 321 

95, 698 

147 128 

143, 129 

88, 845 

65, 414 

132, 882 

102, 716 

107, 767 

77, 954 

96, 892 

68, 549 

60, 395 

103, 833 

69, 598 

30, 862 

793 

49, 615 

100, 771 

22, 916 

42, 209 

67, 925 

61, 448 

55, 962 

43, 238 

61, 569 

49, 298 

32, 352 

44, 822 

29, 325 

18, 839 

15, 088 

20, 856 

19, 552 

328 

31, 471 

28, 064 

771 

209 

964 

689 

902 

486 

10, 409 

678, 952 

Mean 

Length Standard 

(em) Deviation 

36. 11. 00 

45. 4.~7 

47. 

49. 

48. 

49. 

52. 

52. 

52. 73 

53. 

52. 

52. 

53. 

53. 

53. 

53. 

54. 

54. 

55. 

54. 

56. 

54. 

55. 

54. 

56. 

55. 

54. 

55. 

55. 

55. 

56. 

53. 

56. 

55. 

56. 

58. 

55. 

54. 

53. 71


53. 

54. 

53. 

56. 

56. 

55. 

56. 1. 74 

57. 

56. 1. 89 58. 97


62. 1. 50 

56. 

55. 

61. 00


58. 

55. 1. 48 

56. 

70. 

73. 

35. 

52. 
Table 39. --Population estimates for sablefish by age group and mean 

length at age for the International North Pacific Fisheries


Commission Monterey ar~a for all depth strata (183-1, 280 m) 

from the 1997 West Coast upper continental slope bottom trawl


survey. 

Year 

Age Class 

1996 

1995 

1994 

1993 

1992 

1991 

1990 

1989 

1988 

1987 

1986 

1985 

1984 

1983 

1982 

1981 

1980 

1979 

1978 

1977 

1976 

1975 

1974 

1973 

1972 

1971 

1970 

1969 

1968 

1967 

1966 

1965 

1964 

1963 

1962 

1961 

1960 

1959 

1958 

1957 

1956 

1955 

1954 

1953 

1952 

1951 

1950 

1949 

1948 

1947 

1946 

1945 

1944 

1943 

1941 

1940 

1938 

1934 

1928 

Above, below , or


between key lengths


Total 

Population 

Number 

35, 076 

314, 232 

505, 355 

644, 210 

426, 739 

353, 376 

347 664 

338, 247 

327, 229 

239, 269 

261, 166 

290, 423 

218, 501 

208, 532 

213, 533 

239, 181 

160, 927 

226, 039 

228, 185 

136, 325 

114, 048 

181, 106


155, 691 

142, 817 

131, 765 

155, 799 

462 

124, 683 

194 555 

112, 581 

87, 257 

78, 705 

102, 656 

147, 725 

53, 775 

112, 838 

116, 346 

105, 237 

95, 204 

61, 292 

90, 625 

66, 146 

53, 307 

78, 768 

718 

35, 726 

31, 631 

35, 428 

067 

25, 932 

55, 642 

59, 122 

588 

22, 347 

13, 428 

633 

309 

225 

127 

774, 520 

Mean 

Length Standard 

(em) Deviation 

32. 

45. 

48. 

49. 

50. 

51. 35 

55. 

54. 

55. 

55. 71


55. 

55. 

54. 

56. 

55. 

56. 

57. 

57. 

58. 

58. 

58. 

56. 

57. 

56. 

58. 

56. 

56. 

59. 

57. 

58. 

60. 70


55. 

59. 

57. 

60. 

60. 

59. 

56. 

56. 

56. 

58. 

57. 

57. 

58. 

58. 

59. 

57. 

56. 

60. 

61. 7 8 1. 32 

59. 4. 80 

57. 

61. 00


59. 

56. 1.17 

56. 

64. 

70. 

73. 

54. 
Table 40. --Population estimates for sablefish by age group and mean 

length at age for the International North Pacific Fisheries 

Commission Eureka area for all depth strata (183-1, 280 m) 

from the 1997 West Coast upper continental slope bottom trawl 

survey. 

Year 

Age Class 

1996 

1995 

1994 

1993 

1992 

1991 

1990 

1989 

1988 

1987 

1986 

1985 

1984 

1983 

1982 

1981 

1980 

1979 

1978 

1977 

1976 

1975 

1974 

1973 

1972 

1971 

1970 

1969 

1968 

1967 

1966 

1965 

1964 

1963 

1962 

1961 

1960 

1959 

1958 

1957 

1956 

1955 

1954 

1953 

1952 

1951 

1950 

1949 

1948 

1947 

1946 

1945 

1944 

1943 

1941 

1940 

1938 

1934 

Above, below , or


between key lengths


Total 

P9Pulation 

Number 

13, 896 

528, 617 

794, 199 

029, 969 

706, 774 

544, 046 

382, 575 

379, 367 

334, 298 

235, 492 

314, 605 

275, 498 

229, 257 

188, 521 

206, 509 

200, 742 

124, 195 

168, 753 

184, 392 

101, 628 

73, 421 

128 013 

99, 366 

104, 760 

83, 118 

119, 182 

965 

109, 320 

120, 985 

74, 928 

47, 263 

62, 874 

111 

121, 061 

39, 015 

67, 394 

85, 365 

87, 252 

58, 486 

46, 181 

69, 883 

56, 763 

36, 212 

46, 067 

38, 597 

331 

21, 115 

21, 804 

28, 492 

11, 393 

45, 455 

34, 502 

682 

11, 583 

355 

461 

962 

658 

662 

087 370 

Mean 

Length Standard 

(em) Deviation 

48. 

46. 

48. 

48. 63


48. 

48. 

52. 

52. 

53. 

53. 

52. 4 9


52. 

52. 

54. 

53. 

55. 

56. 

55. 70


57. 

55. 

57. 

55. 

56. 

55. 

58. 

55. 72


56. 

57. 

57. 

57. 

60. 

55. 

59. 

56. 

61. 2 9


60. 

55. 

55. 63


53. 99


54. 

57. 

55. 

58. 

57. 

55. 

59. 

58. 

56. 

60. 7 9


62. 1. 50 

58. 

56. 

61. 00


57. 

55. 1. 42 

56. 

64. 

70. 

71.00 

52. 
Table 41. --Population estimates for sablefish by age group and mean 

length at age for the International North Pacific Fisheries 

Commission Columbia area for all depth strata (183-1, 280 m) 

from the 1997 West Coast upper continental slope bottom trawl 

survey. 

Year 

Aqe Class 

1996 

1995 

1994 

1993 

1992 

1991 

1990 

1989 

1988 

1987 

1986 

1985 

1984 

1983 

1982 

1981 

1980 

1979 

1978 

1977 

1976 

1975 

1974 

1973 

1972 

1971 

1970 

1969 

1968 

1967 

1966 

1965 

1964 

1963 

1962 

1961 

1960 

1959 

1958 

1957 

1956 

1955 

1954 

1953 

1952 

1951 

1950 

1949 

1948 

1947 

1946 

1945 

1944 

1943 

1941 

1940 

1938 

1934 

1928 

Above, below


between key lengths 

Total 

Population 

Number 

49, 175 

559, 868 

896, 104 

156, 105 

161, 691 

805, 137 

601, 031 

523, 037 

494, 080 

346, 753 

385, 401 

396, 708 

328, 892 

294, 781 

295, 064 

316, 523 

206, 840 

237, 826 

276, 625 

145, 214 

112, 239 

241, 550 

178, 570 

186, 735 

153, 434 

194, 388 

119, 977 

136, 271 

218, 455 

160, 307 

81, 869 

95, 980 

111, 450 

189, 094 

69, 820 

109, 459 

157, 969 

133, 714 

103, 889 

73, 564 

107 544 

86, 424 

61, 884 

86, 015 

53, 775 

38, 072 

31, 054 

39, 146 

48, 207 

11, 449 

53, 045 

69, 942 

983 

25, 926 

12, 473 

13, 775 

148 

886 

945 

290, 875 

346, 157 

Mean 

Length Standard 

(em) Deviation 

33. 

44. 

45. 

46. 

47. 

48. 

51. 39 

52. 

53. 

53. 

53. 

53. 

52. 4 6


55. 

54. 

54. 

56. 

56. 

57. 

56. 

57. 

55. 

56. 

54. 

57. 

55. 

55. 

57. 

56. 

58. 

58. 

54. 

58. 

56. 

61. 27


60. 

54. 

55. 

54. 

55. 

57. 

56. 

57. 

57. 

56. 

57. 71 

57. 

56. 

60. 

62. 1. 50 

57. 

58. 

61. 00


58. 

56. 1. 37 

56. 

64. 

70. 

73. 

30. 10. 

50. 
Table 42. --Population estimates for sablefish by age group and mean 

length at age for the International North Pacific Fisheries 

Commission u. S. -Vancouver area for all depth strata 

(183-1, 280 m) from the 1997 West Coast upper continental 

slope bottom trawl survey. 

Mean 

Year Population Length Standard 

Age Class 

1996 

1995 

1994 

1993 

1992 

1991 

1990 

1989 

1988 

1987 

1986 

1985 

1984 

1983 

1982 

1981 

1980 

1979 

1978 

1977 

1976 

1975 

1974 

1973 

1972 

1971 

1970 

1969 

1968 

1967 

1966 

1965 

1964 

1963 

1962 

1961 

1960 

1959 

1958 

1957 

1956 

1955 

1954 

1953 

1952 

1951 

1950 

1949 

1948 

1947 

1946 

1945 ' 

1943 

1941 

1940 

1938 

Above, below , or


between key lengths


Total 

Number (em) Deviation 

008 48. 

168, 156 43. 

223, 231 44. 

214, 607 45. 

151, 289 45. 

86, 205 45. 

56, 001 49. 

65, 973 54. 

476 52. 

34, 499 52. 

44, 174 53. 

602 53. 

34, 929 52. 

34, 605 53. 

28, 329 52. 

941 58. 11.16 

20, 619 55. 

22, 901 53. 

34, 229 57. 

14; 237 55. 

10, 483 62. 

25, 426 57. 

18, 279 56. 

16, 707 53. 

15, 119 57. 

31, 786 60. 10. 

14, 792 55. 

137 57. 

26, 886 55. 

18, 074 58. 

806 57. 10, 

142 55. 

8, 981 57. 

24, 070 55. 

985 65. 

12, 132 58. 

13, 373 54. 

20, 829 56. 

13, 660 54. 

10, 368 54. 

11, 499 57. 

10, 591 53. 7 9 

382 58. 

571 56. 

414 51. 50 1. 50 

523 55. 

045 56. 

509 55. 

114 59. 

715 64. 

134 59. 

831 55. 

480 56. 1. 99 

722 54. 

006 56. 

310 64. 

770, 892 50. 
--...J 

(g) (g) 

Table 43. --The length-weight relationships for all the International North Pacific Fisheries 

Commission areas combined from the 1997 West Coast upper continental slope 

survey using nonlinear regression fit for the ~ation: 

Fish weight = a * fork length (em) 

Species Sex	 Number Length-Weight Coefficients Predicted Weiaht at Lenath Sampled 

40 em 60 em 80 em


Arrowtooth 005600 128700 576. 2048. 5039. 

flounder 165 003100 315500 635. 2436. 6324. 

236 002900 325300 616. 2372. 6176. 

20 em 40 em 60 em


Dover sole	 518 003900 258200 67. 647. 2424. 

972 003400 298300 66. 654. 2490. 

490 003600 283900 67. 656. 2486. 

40 em 60 em 80 em


Sablefish	 726 003000 309500 601. 4 2301. 5962. 

800 002400 366000 592. 2319. 6109. 

526 002500 349500 580. 2258. 5920. 

20 em 40 em 60 

Shortspine 780 006200 193300 88. 809. 2955. thornyhead 855	 005300 238900 86. 818. 3044. 

023100 701300 75. 

693 006400 184900 89. 810. 2947. 

10 em 20 em 30 em 

Longspine 606 005800 227600 91. 8 339. 

thornyhead 587 007000 167700 10. 92. 334. 

256 017700 2. 790500 10. 75. 

449 008100 121800 10. 93. 330. 

10 em 20 em 30 em


Pacific 371 164000 878100 123. 910. 2925. 

grenadier 324 222000 766800 129. 883. 2711. 8 

175300 734100 95. 632. 

761 160400 885600 123. 910. 2934. 

10 em 20 em 40 em


Spli tnose 246 017300 016700 18. 145. 1177. rockfish 243 028200 842600 19. 140. 1009. 

025300 838700 17. 124. 

524 022200 920300 18. 139. 1058.