Anarrhichas lupus; Print; The Atlantic wolffish (Anarhichas lupus); also known as the seawolf; Atlantic catfish; ocean catfish; devil fish; wolf eel (the common name for its Pacific relative); woof or sea cat; is a marine fish of the wolffish family Anarhichadidae. The numbers of the Atlantic wolffish in US waters are rapidly being depleted; most likely due to overfishing and bycatch; and is currently a Species of Concern according to the U.S. National Oceanic and Atmospheric Administration's National Marine Fisheries Service.; 1700-1880