The large-eye snaggletooth (''Borostomias antarcticus''), also called the straightline dragonfish or Antarctic snaggletooth, is a species of fish in the family Stomiidae (barbeled dragonfishes).

Description

The large-eye snaggletooth is black in colour, up to in length. It has 9–13 dorsal

soft ray Fish anatomy is the study of the form or morphology of fish. It can be contrasted with fish physiology, which is the study of how the component parts of fish function together in the living fish. In practice, fish anatomy and fish physiology co ...

s and 12–17 anal soft rays. It is identified by the lack of high arch in the photophores behind the anal base, presence of double postorbital organ and the clear separation of the dagger-like teeth in its upper jaw. It has 40–60 lateral photophores extending along its belly and positioned in two straight lines.

Habitat

The large-eye snaggletooth is

bathydemersal Demersal fish, also known as groundfish, live and feed on or near the bottom of seas or lakes (the demersal zone).Walrond Carl . "Coastal fish - Fish of the open sea floor"Te Ara - the Encyclopedia of New Zealand. Updated 2 March 2009 They occ ...

and mesopelagic, staying below during the day, sometimes as deep as . It is found in oceans worldwide.

Behaviour

The large-eye snaggletooth feeds on

mysids Mysida is an order of small, shrimp-like crustaceans in the malacostracan superorder Peracarida. Their common name opossum shrimps stems from the presence of a brood pouch or "marsupium" in females. The fact that the larvae are reared in this ...

, bony fish and

crustacean Crustaceans (Crustacea, ) form a large, diverse arthropod taxon which includes such animals as decapods, seed shrimp, branchiopods, fish lice, krill, remipedes, isopods, barnacles, copepods, amphipods and mantis shrimp. The crustacean group ...

References

{{Taxonbar, from=Q2354100 Stomiidae Fish described in 1905 Taxa named by Einar Lönnberg