Summary of Essential Fish Habitat (EFH) Designation

10 x 10 Square Coordinates:

Boundary

North

East

South

West

Coordinate

41° 20.0 N

72° 00.0 W

41° 10.0 N

72° 10.0 W

Square Description (i.e. habitat, landmarks, coastline markers): The waters within the square within the Connecticut River estuary affecting the following: the northeast tip of Plum I., Great Gull I., Little Gull I., the western third of Fishers I., Flat Hammock, South Dumpling, and North Dumpling. These waters also affect the following south of Groton, CT., from Groton Long Point to Millstone Point just east of Niantic Bay, including south of the entrance to New Long Harbor, and south of the following: Mumford Point, Poquonock Point, Avery East Point, Eastern Point, and Goshen Point. In addtition, these waters affect the following: western Fishers Island Sound, North Hill and Hay Harbors, New London Harbor, western West Harbor, Silver Eel Cove, Mumford Cove, and the entrance to the Thames River. Finally, the following features are affected: Constellation Rock, Old Silas Rock, Valiant Rock, Little Goshen Reef, Twotree I., Twotree I. Channel, Bartlett Reef, Goshen Ledge, Rapid Rock, Flat Rock, High Rock, Cormorant Rock, Sarah Ledge, Black Ledge, Vixen Ledge, New London Ledge, Black Ledge, Pine I., Pine I. Channel, Frank Ledge, Black Rock, Jordan Cove, and Pleasure Beach, along with a dumping ground just south of New London Harbor.

Species

Eggs

Larvae

Juveniles

Adults

Atlantic salmon (Salmo salar)

   

X

X

Atlantic cod (Gadus morhua)

       

haddock (Melanogrammus aeglefinus)

       

pollock (Pollachius virens)

       

whiting (Merluccius bilinearis)

       

red hake (Urophycis chuss)

     

X

white hake (Urophycis tenuis)

       

redfish (Sebastes fasciatus)

n/a

     

witch flounder (Glyptocephalus cynoglossus)

       

winter flounder (Pseudopleuronectes americanus)

       

yellowtail flounder (Limanda ferruginea)

       

windowpane flounder (Scophthalmus aquosus)

       

American plaice (Hippoglossoides platessoides)

       

ocean pout (Macrozoarces americanus)

       

Atlantic sea scallop (Placopecten magellanicus)

       

Atlantic sea herring (Clupea harengus)

     

X

monkfish (Lophius americanus)

     

bluefish (Pomatomus saltatrix)

   

X

X

long finned squid (Loligo pealeii)

n/a

n/a

   

short finned squid (Illex illecebrosus)

n/a

n/a

   

Atlantic butterfish (Peprilus triacanthus)

       

Atlantic mackerel (Scomber scombrus)

       

summer flounder (Paralichthys dentatus)

       

scup (Stenotomus chrysops)

n/a

n/a

   

black sea bass (Centropristis striata)

n/a

     

surf clam (Spisula solidissima)

n/a

n/a

   

ocean quahog (Artica islandica)

n/a

n/a

   

spiny dogfish (Squalus acanthias)

n/a

n/a

   

tilefish (Lopholatilus chamaeleonticeps)

       

king mackerel (Scomberomorus cavalla)

X

X

X

X

Spanish mackerel (Scomberomorus maculatus)

X

X

X

X

cobia (Rachycentron canadum)

X

X

X

X

sand tiger shark (Carcharias taurus)

X

dusky shark (Carcharhinus obscurus)

   

X

 

bluefin tuna (Thunnus thynnus)

     

X