North-pacific frostfish - The North Pacific frostfish, Benthodesmus pacificus, is a cutlassfish of the family Trichiuridae found in the north Pacific Ocean between latitudes 50° N and 30° N at depths of between 100 and 1,000 m.
Ribbon scabbardfish - Benthodesmus tenuis is a species of fish in the Trichiuridae family.