Bathyteuthis abyssicola, also known as the deepsea squid, is a species of squid in the family Bathyteuthidae. Bathyteuthis abyssicola is the type species of Bathyteuthis. It is a small, deep maroon-colored squid that inhabits the meso- and bathypelagic zones of all oceans of the world, and is particularly abundant in the Southern Ocean where it seems to be the dominant small deep-sea squid. B. abyssicola normally occurs at depths from 700–2,000 m (2,300–6,600 ft), but has been recorded from 100–4,200 m (330–13,780 ft).