Melanogrammus basically means black line in Greek. Aeglefinus comes from the French word for the haddock, églefin. As a type of ray-fin fish, it is a member of the true cod family and the only living member of its genus.

The common haddock Melanogrammus aeglefinus is a member of the cod-like fish family. Members have an elongate, tapering body and usually long dorsal and anal fins. Haddock have three dorsal fins and two anal fins.

Description: "The haddock, Melanogrammus aeglefinus, is a demersal gadid found on both sides of the North Atlantic (Figure 1). In the northwest Atlantic, haddock are distributed from Cape May, New Jersey to the Strait of Belle Isle, Newfoundland (Klein-MacPhee 2002).

Haddock (Melanogrammus aeglefinus) is one of the most abundant species in the ichthyofauna of the Rockall Bank. Despite being of great commercial importance, the biology of this species, including aspects of its reproduction, has not thoroughly been investigated, which greatly complicates the development of effective ...

An Melanogrammus aeglefinus in nahilalakip ha genus nga Melanogrammus, ngan familia nga Gadidae. [4] [5] Ginklasipika han IUCN an species komo nadudultan. [1] Waray hini subspecies nga nakalista. [4]