HomeFish encyclopediaRay-finned fishesLightfishes and DragonfishesBarbeled dragonfishesSloane's viperfish Sloane's viperfish (Chauliodus sloani) Scientific name: Chauliodus sloani Bloch & Schneider, 1801 The Sloane's viperfish (Chauliodus sloani) is a marine fish of the family Stomiidae. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 5-8; Anal spines: 0; Anal soft rays: 10 - 13. Body iridescent silver in color. Slender body, forward position of dorsal fin and greater number of serial photophores.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameChauliodus sloaniFamilyStomiidae (Barbeled dragonfishes)OrderStomiiformes (Lightfishes and Dragonfishes)ClassActinopterygii (Ray-finned fishes)Maximum length35.0Depth range200–4700 m (656–15420 ft)EnvironmentMarine; bathypelagic; depth range 200 - 4700 m, usually 494 - 1000 mClimateDeep-waterDistributionWarm and temperate parts of all oceans but with several distributional gaps in the southern central Atlantic, northern Indian Ocean, eastern Pacific north of the equator, etc. Also found in the western Mediterranean. South China Sea and East China Sea.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