HomeFish encyclopediaRay-finned fishesLightfishes and DragonfishesBarbeled dragonfishesSnaggletooth Snaggletooth (Borostomias antarcticus) Scientific name: Borostomias antarcticus L?nnberg, 1905 The Snaggletooth (Borostomias antarcticus) is a marine fish of the family Stomiidae. Native range: Eastern Atlantic, Nunavut south to Bay of Biscay including western Mediterranean. Elsewhere, Southern Ocean from 35?S to 65?S. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 9-13; Anal spines: 0; Anal soft rays: 12 - 17. Body black in color, lacks well developed pale patches. Lack of high arch in photophores behind anal base and presence of double postorbital organ.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBorostomias antarcticusFamilyStomiidae (Barbeled dragonfishes)OrderStomiiformes (Lightfishes and Dragonfishes)ClassActinopterygii (Ray-finned fishes)Maximum length30.0Depth range300–2630 m (984–8629 ft)EnvironmentMarine; bathydemersal; oceanodromous; depth range 300 - 2630 mClimateDeep-waterDistributionEastern Atlantic: Nunavut south to Bay of Biscay including western Mediterranean. Elsewhere, Southern Ocean from 35?S to 65?S.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026