About This Fish

Pollock


The Pollock (Pollachius pollachius) is a marine ray finned fish which belongs to the Family Gadidae under Order Perciformes of Class Actinopterygii. It is also known as European Pollock, lieu jaune and lythe. It is common in the north-eastern parts of the Northern Atlantic including the Bay of Biscay and North Sea. It occurs in inshore waters but also down to 200 m depth in areas with hard bottoms. The juvenile is pelagic which spends 2-3 years near the coast including rocky areas, kelp beds, sandy shores and estuaries.



The pollack has a typical cod like shaped body with three dorsal and two anal fins. Body color is dark dorsally, silver-gray sides and belly. The upper part of the body has yellow to orange streaks or blotches. The fins are uniformly dark except for the pelvic fins which are yellowish in color. The first anal fin starts underneath the first dorsal fin and is much longer than the second anal fin. Dorsal fin has 29-33 soft rays while anal fin contains 27-30 rays. Lower jaw is slightly larger than upper jaw. Barbell is absent at the tip of the lower jaw. Lateral line is complete with greenish color and that is sharply curved over the pectoral fin and it continues over whole body. No dark spot is present at pectoral fin base. Dorsal and anal fin interspaces are short. The caudal fin is broad and slightly forked. It feeds mostly on fish and incidentally on cephalopods and crustaceans such as shrimps and crabs. This fish becomes mature at around 4 years old. It spawns during the period between March and May. It grows up to 130 cm in length and 18 kg in weight. It can live up to 8 years.


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Location Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Connecticut
Massachusetts
New Jersey