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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.
Fins, barbel and lateral line on a haddock. Haddock have three dorsal fins and two anal fins. The haddock is a demersal species which occurs at depths from 10 to 450 m (33 to 1,500 ft; 5.5 to 250 fathoms), although it is most frequently recorded at 80 to 200 m (300 to 700 ft; 40 to 100 fathoms).
Haddock has mucus-coated scales that are gray or black, as well as a dark spot above the pectoral fin known as St. Peter’s imprint, the Devil’s fingerprint, or plain the fingerprint. Due to the larger, fatter, and thicker filets, cod is somewhat more expensive since it contains more flesh.
The common haddock is a demersal species and shoals in colder waters at depths of 40-300 m. It can be found over rock, sand, gravel or shells. Depth range. - Identifying features. Dark uninterrupted lateral line. Three dorsal fins, two anal fins. Dark spot below first dorsal fins.
They have three dorsal fins, the first triangular and the next two squarish. Their coloration gets lighter below their lateral line, becoming silvery grey with a pink tinge and white on their belly and under their head. They have a large, distinctive black spot over their pectoral fins.
6 wrz 2024 · Haddock are most common in waters approximately 130 to 500 feet deep and prefer temperatures below 45° F. Juveniles are found in shallower water on bank and shoal areas, while larger adults are more common in deeper water. Adults travel to shallower waters in the spring to spawn.
You can distinguish this species from other members of the Gadidae family by its pointed dorsal fin, which superficially resembles that of a shark. It has dark colored scales on the upper portion of its body, and lighter colored scales on its sides and underbelly.
