Anarhichadidae - Wolffishes

Anarhichadidae, the wolffishes, sea wolves or wolf eels, is a family of marine ray finned fishes belonging to the order Scorpaeniformes. These are predatory, eel shaped fishes which are native to the cold waters of the Arctic, North Pacific and North Atlantic Oceans.

Genera and species
Anarhichadidae contains two genera and five species:

Genus Anarhichas Linnaeus, 1758
Northern wolffish, Anarhichas denticulatus Krøyer, 1845.
Atlantic wolffish or sea wolf, Anarhichas lupus Linnaeus, 1758.
Spotted wolffish, Anarhichas minor Olafsen, 1772.
Bering wolffish, Anarhichas orientalis Pallas, 1814.

Genus Anarrhichthys Ayres, 1855
Wolf eel, Anarrhichthys ocellatus Ayres, 1855.