Family Gadidae

Boreogadus - The polar cod has a slender body, deeply forked tail, projecting mouth and a small whisker on its chin.

Gadus - The Atlantic cod, which can change color at certain water depths, has two distinct color phases: grey-green and reddish brown.

Melanogrammus - The haddock is easily recognized by a black lateral line running along its white side and a distinctive dark blotch above the pectoral fin, often described as a "thumbprint" or even the "Devil's thumbprint" or "St.

Merlangius - Merlangius merlangus, commonly known as whiting is an important food fish in the eastern North Atlantic, northern Mediterranean, western Baltic, and Black Sea.

Pollachius - Pollock is the common name used for either of the two species of marine fish in the Pollachius genus.

Theragra - The Norwegian pollock , a rare fish of Norwegian waters, may actually be the same species as the Alaska pollock.