Haddock vs. Pickerel — What's the Difference?

The haddock (Melanogrammus aeglefinus) is a saltwater ray-finned fish from the family Gadidae, the true cods. It is the only species in the monotypic genus Melanogrammus.

Any of several North American freshwater game fishes of the genus Esox, especially the chain pickerel.

A silvery-grey bottom-dwelling fish of North Atlantic coastal waters, related to the cod. It is popular as a food fish and is of great commercial value.

The walleye.

A food fish (Melanogrammus aeglefinus) of northern Atlantic waters, closely related to and resembling the cod, but having a dark spot above each pectoral fin.

Chiefly British A young pike.

A marine fish, Melanogrammus aeglefinus, of the North Atlantic, important as a food fish.

A freshwater fish of the genus Esox.

A marine food fish (Melanogrammus æglefinus), allied to the cod, inhabiting the northern coasts of Europe and America. It has a dark lateral line and a black spot on each side of the body, just back of the gills. Galled also haddie, and dickie.

(Canada) Walleye, A species of gamefish, Sander vitreus, native to the Northern U.S. and Canada with pale, reflective eyes.

Lean white flesh of fish similar to but smaller than cod; usually baked or poached or as fillets sauteed or fried

A wading bird, the dunlin.

Important food fish on both sides of the Atlantic; related to cod but usually smaller

A young or small pike.

Any one of several species of freshwater fishes of the genus Esox, esp. the smaller species.

Flesh of young or small pike

Any of several North American species of small pike