HomeFish encyclopediaRay-finned fishesLightfishes and DragonfishesBarbeled dragonfishesTemperate snaggletooth Temperate snaggletooth (Astronesthes psychrolutes) Scientific name: Astronesthes psychrolutes Gibbs & Weitzman, 1965 The Temperate snaggletooth (Astronesthes psychrolutes) is a marine fish of the family Stomiidae. Native range: Circumglobal in the southern hemisphere. Species factsScientific nameAstronesthes psychrolutesFamilyStomiidae (Barbeled dragonfishes)OrderStomiiformes (Lightfishes and Dragonfishes)ClassActinopterygii (Ray-finned fishes)Depth range1500 m (4921 ft)EnvironmentMarine; pelagic-oceanic; depth range ? - 1500 mClimateDeep-waterDistributionCircumglobal in the southern hemisphere.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (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