“Glacial Squid” (Psychroteuthis glacialis)
…the sole member of the monotypic genus Psychroteuthis, and family Psychroteuthidae. Although several other undescribed species are likely to exist. P. glacialis is known to occur in coastal waters near Antarctica and South America. Psychroteuthis glacialis is known to feed on many species of crustaceans, small fish, including lanternfish and Antarctic silverfish. They are sometimes known to feed on other squid.
Image: Darren Stevens