Larvae Lengths (mm)

USGS Bigelow and Shroeder Able and Fahay

Bay Scallop 0.000101

Surf Clam 0.065-0.080

Blue Mussel 0.070-0.110

Softshell Clam 0.2

American Oyster 0.075; 0.3

Razor Clam 0.11

Quahog 0.20-0.30

Weakfish 1.5-1.75 1.5-1.7

Black Seabass 1.5-2.0

Fourbeard Rockling

Hogchoker 1.7-2.0

Bay Anchovy 1.8-2.0 2.0

Red Hake <2.0

Butterfish 2.0 1.7

Windowpane 2.0

Cunner 2.0-2.2 2.2

Tautog 2.2-3.3 2.0

White Perch 2.6

Winter Flounder 2.4-3.5 2.4-3.5

Atlantic menhaden 2.4-4.5

Sea robin 2.5-2.8 3.0

Smallmouth Flounder 2.5-8.0

Seaboard Goby

Silver Hake 2.8

Atlantic Mackerel

River Herring

Sand Lance 3.0-4.0 5.7-6.3

Atlantic seasnail 3.3-4.5

Inland Silverside 3.5-4.0

Atlantic Silverside 3.8-5.0

Cod 4.0

American Plaice 4.0-6.0

Lumpfish 4.0-7.4

Blueback Herring 4.0-15.9 3.1-5.0

Alewife 4.30-19.9 2.5-5.0

Witch Flounder 4.9

Rainbow Smelt 5.0-6.0 5.5-6.0

Atlantic Herring 5.0-9.0 4.0-10.0

Grubby 5.4

American Shad 6.0-10.0 5.7-10.0

Radiated Shanny 8.0-11

Northern Pipefish 8.0-9.0 10.0-12.0

Rock Gunnel 9.0 9.0

Atlantic Tomcod 10.0-12.0 5.0-6.0

Yellowtail Flounder 10.3
http://www.fishbase.org/ Other Swansea FEIR

1.6-2.4

0.78-0.97

0.89-0.97

2.2-3.6

2.7-4.2

3.0

3.0-10.7

6.0-12.4

5.7-10.0
Egg Diameters (mm)

USGS Bigelow and Schroeder Able and Fahay

Bay Scallop 0.000055-0.000065 

Softshell Clam 0.066

Blue Mussel 0.068-0.070

Quahog 0.078

Razor Clam 0.09

American Oyster No Data

Surf Clam 1.42

Hogchoker 0.3 0.66-0.92

Bay Achovy 0.62-1.24 0.8-1.3

Red Hake 0.63-0.97

White Perch Fertilized 0.65-0.89

Fourbeard Rockling 0.66-0.98

Sand Lance 0.67-1.03 0.9-1.0

Butterfish 0.7-0.8 0.68-0.83

White Perch Unfertilized 0.70-0.89 0.75-1.04

Cunner and Tautog 0.70-1.14 0.84-0.92; 0.97-1.00

Winter Flounder 0.74-0.85 0.7-0.9

Weakfish 0.75-0.87

Inland Silverside 0.8-0.9

Black Seabass 0.8-1.0

Alewife 0.80-1.27 0.8-1.27

Yellowtail Flounder 0.87-0.94

Blueback Herring 0.87-1.10 0.87-1.11

Silver Hake 0.88-0.95

Sea robin 0.94-1.15 0.86-0.97

Windowpane 0.9-1.4

Atlantic Mackerel

Atlantic Silverside 0.90-1.50

Atlantic Seasnail 1.1

Rainbow Smelt 1.00-1.20 1

Atlantic Herring 1.0-1.4 1.0-1.4

Witch Flounder 1.07-1.25

Cod 1.10-1.82

Atlantic Menhaden 1.30-1.95 1.3-1.9

American Plaice 1.38-3.2

Atlantic Tomcod 1.5 1.39-1.70

Grubby 1.5-1.7

Rock Gunnel 2.0 1.4; 1.7-2.2

Lumpfish 2.2-2.6

Striped Bass 2.40-3.90

American Shad Unfertilized 1.8

American Shad Fertilized 2.50-3.50 2.5-3.8

Radiated Shanny no data 

Smallmouth Flounder "eggs undefined"
http://www.fishbase.org/ Swansea FEIR

0.64-1.12

0.9-1.4
Species Entrained (> 1 individual per 100m3 sampled)

Pilgrim Salem Brayton Pt. RESCO Somerset Canal GE Mystic

Grubby X X X X X X X X

Cunner X X X X X X X

Fourbeard Rockling X X X X X X X

Sandlance X X X X X X X

Rock Gunnel X X X X X X X

Windowpane X X X X X X

Tautog X X X X X

Atlantic Herring X X X X X

Cod X X X X X

Menhaden X X X X

Bay Anchovy X X X

Winter Flounder X X X X

Mackerel X X X X

Sculpin X X X X

Rainbow Smelt X

Hake spp. X X X

Witch Flounder X X X

American Plaice X X X

Yellowtail Flounder X X X

Radiated Shanny X X

Silver Hake X X

Red Hake X X

Atl.Inland Silverside X X

Weakfish X X

White Perch

Blueback

Sunfish

Yellow Perch

Goby spp. X X

Rockling-Hake-Butterfish X X

Atlantic Tomcod X X

Windowpane/Summer Flounder X X

Lumpfish X

Atlantic seasnail X

Northern Pipefish X

Herring spp. X

Hogchoker X

Searobin X

Butterfish X

Summer Flounder X

Black Seabass X

Smallmouth Flounder X

Alewife

Total Species 21 19 19 14 14 13 10 7

Pilgrim Salem Brayton Pt. RESCO Somerset Canal GE Mystic
TMLP Kendall Total # Plants

8

7

7

7

7

6

5

5

5

4

X 4

4

4

4

X X 3

3

3

3

3

2

2

2

2

2

X X 2

X X 2

X X 2

X X 2

2

2

2

2

1

1

1

1

1

1

1

1

1

1

X 1

6 6

TMLP Kendall