**[Summary of Essential Fish Habitat (EFH) Designation:]{.underline}**

**[Major Estuaries, Bays, and Rivers along the]{.underline}**

**[Northeast United States Coast]{.underline}**

**[Key:]{.underline}**

S ≡ The EFH designation for this species includes the seawater salinity
zone of this bay or estuary (salinity \> or = 25.0^0^/~00~).

M ≡ The EFH designation for this species includes the mixing water /
brackish salinity zone of this bay or estuary (0.5^0^/~00~ \< salinity
\< 25.0^0^/~00~).

F ≡ The EFH designation for this species includes the tidal freshwater
salinity zone of this bay or estuary (0.0^0^/~00~ \< or = salinity \< or
= 0.5^0^/~00~).

n/a ≡ The species does not have this lifestage in its life history
(dogfish/ redfish), or has no EFH designated for this lifestage (squids/
surf clam/ ocean quahog). With regard to the squids, the surf clam, and
the ocean quahog, juvenile corresponds with pre-recruits, and adult
corresponds with recruits in these species' life histories.

These EFH designations of estuaries and embayments are based on the NOAA
Estuarine Living Marine Resources (ELMR) program (Jury et al. 1994;
Stone et al. 1994). For purposes of these EFH designations, please refer
to the attached figures for the boundaries between salinity zones for
each estuary or bay.

For Atlantic Salmon, the entire freshwater salinity zone of the
following rivers up to the historical range of the species is designated
EFH for the lifestages listed: Sheepscot River / Sheepscot Bay; Kennebec
/ Androscoggin Rivers; Merrimack River; and Connecticut River.

**[Name of Estuary/ Bay/ River:]{.underline}** **Massachusetts Bay,
Massachusetts**

**10' x 10' latitude and longitude squares affected by this bay or
estuary or river (southeast corner boundaries):**

4230/7040; 4230/7050; 4220/7040; 4220/7050; 4210/7030; 4210/7040;
4210/7050; 4200/7030; 4200/7040; 4150/7030; 4150/7040

  ------------------------------- ------ -------- ----------- -------- ------------
  Species                         Eggs   Larvae   Juveniles   Adults   Spawning
                                                                       Adults

  Atlantic salmon *(Salmo salar)*                                      

  Atlantic cod *(Gadus morhua)*   S      S        S           S        S

  haddock *(Melanogrammus         S      S                             
  aeglefinus)*                                                         

  pollock *(Pollachius virens)*   S      S        S           S        S

  whiting *(Merluccius            S      S        S           S        S
  bilinearis)*                                                         

  offshore hake *(Merluccius                                           
  albidus)*                                                            

  red hake *(Urophycis chuss)*           S        S           S        S

  white hake *(Urophycis tenuis)* S      S        S           S        

  redfish *(Sebastes fasciatus)*  n/a                                  

  witch flounder *(Glyptocephalus                                      
  cynoglossus)*                                                        

  winter flounder *(Pleuronectes  S      S        S           S        S
  americanus)*                                                         

  yellowtail flounder             S      S        S           S        S
  *(Pleuronectes ferruginea)*                                          

  windowpane flounder             S      S        S           S        S
  *(Scopthalmus aquosus)*                                              

  American plaice                 S      S        S           S        S
  *(Hippoglossoides                                                    
  platessoides)*                                                       

  ocean pout *(Macrozoarces       S      S        S           S        S
  americanus)*                                                         

  Atlantic halibut *(Hippoglossus S      S        S           S        S
  hippoglossus)*                                                       

  Atlantic sea scallop            S      S        S           S        S
  *(Placopecten magellanicus)*                                         

  Atlantic sea herring *(Clupea          S        S           S        
  harengus)*                                                           

  monkfish *(Lophius americanus)*                                      

  bluefish *(Pomatomus                            M,S         M,S      
  saltatrix)*                                                          

  long finned squid *(Loligo      n/a    n/a                           
  pealei)*                                                             

  short finned squid *(Illex      n/a    n/a                           
  illecebrosus)*                                                       

  Atlantic butterfish *(Peprilus  S               S           S        
  triacanthus)*                                                        

  Atlantic mackerel *(Scomber     S      S        S           S        
  scombrus)*                                                           

  summer flounder *(Paralicthys                                        
  dentatus)*                                                           

  scup *(Stenotomus chrysops)*                    S                    

  black sea bass *(Centropristus                                       
  striata)*                                                            

  surf clam *(Spisula             n/a    n/a                           
  solidissima)*                                                        

  ocean quahog *(Artica           n/a    n/a                           
  islandica)*                                                          

  spiny dogfish *(Squalus         n/a    n/a                           
  acanthias)*                                                          

  tilefish *(Lopholatilus                                              
  chamaeleonticeps)*                                                   
  ------------------------------- ------ -------- ----------- -------- ------------

**[Name of Estuary/ Bay/ River:]{.underline}** **Boston Harbor,
Massachusetts**

**10' x 10' latitude and longitude squares affected by this bay or
estuary or river (southeast corner boundaries):**

4220/7050; 4220/7100; 4210/7050; 4210/7100

  ------------------------------- ------ -------- ----------- -------- ------------
  Species                         Eggs   Larvae   Juveniles   Adults   Spawning
                                                                       Adults

  Atlantic salmon *(Salmo salar)*                                      

  Atlantic cod *(Gadus morhua)*   S      S        M,S         M,S      S

  haddock *(Melanogrammus         S      S                             
  aeglefinus)*                                                         

  pollock *(Pollachius virens)*   S      S        M,S                  

  whiting *(Merluccius            S      S        M,S         M,S      
  bilinearis)*                                                         

  offshore hake *(Merluccius                                           
  albidus)*                                                            

  red hake *(Urophycis chuss)*           S        S           S        

  white hake *(Urophycis tenuis)* S      S        S           S        

  redfish *(Sebastes fasciatus)*  n/a                                  

  witch flounder *(Glyptocephalus                                      
  cynoglossus)*                                                        

  winter flounder *(Pleuronectes  M,S    M,S      M,S         M,S      M,S
  americanus)*                                                         

  yellowtail flounder             S      S        S           S        S
  *(Pleuronectes ferruginea)*                                          

  windowpane flounder             M,S    M,S      M,S         M,S      M,S
  *(Scopthalmus aquosus)*                                              

  American plaice                 S      S        S           S        S
  *(Hippoglossoides                                                    
  platessoides)*                                                       

  ocean pout *(Macrozoarces                       S           S        
  americanus)*                                                         

  Atlantic halibut *(Hippoglossus S      S        S           S        S
  hippoglossus)*                                                       

  Atlantic sea scallop                                                 
  *(Placopecten magellanicus)*                                         

  Atlantic sea herring *(Clupea          S        M,S         M,S      
  harengus)*                                                           

  monkfish *(Lophius americanus)*                                      

  bluefish *(Pomatomus                            M,S         M,S      
  saltatrix)*                                                          

  long finned squid *(Loligo      n/a    n/a                           
  pealei)*                                                             

  short finned squid *(Illex      n/a    n/a                           
  illecebrosus)*                                                       

  Atlantic butterfish *(Peprilus  S      S                             
  triacanthus)*                                                        

  Atlantic mackerel *(Scomber     M,S    M,S      M,S         M,S      
  scombrus)*                                                           

  summer flounder *(Paralicthys                                        
  dentatus)*                                                           

  scup *(Stenotomus chrysops)*                                         

  black sea bass *(Centropristus                                       
  striata)*                                                            

  surf clam *(Spisula             n/a    n/a                           
  solidissima)*                                                        

  ocean quahog *(Artica           n/a    n/a                           
  islandica)*                                                          

  spiny dogfish *(Squalus         n/a    n/a                           
  acanthias)*                                                          

  tilefish *(Lopholatilus                                              
  chamaeleonticeps)*                                                   
  ------------------------------- ------ -------- ----------- -------- ------------