HomeFish encyclopediaRay-finned fishesLightfishes and DragonfishesBarbeled dragonfishesWingfin snaggletooth Wingfin snaggletooth (Heterophotus ophistoma) Scientific name: Heterophotus ophistoma Regan & Trewavas, 1929 The Wingfin snaggletooth (Heterophotus ophistoma) is a marine fish of the family Stomiidae. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 11-13; Anal spines: 0; Anal soft rays: 12 - 17. Teeth on jaws very short, spine-like; photopores of ventral row excluding AC series arranged in discontinuous, close-set groups of 1 to 5. Barbel shorter than head, dark stem, flattened and tapering tip. Black in color.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHeterophotus ophistomaFamilyStomiidae (Barbeled dragonfishes)OrderStomiiformes (Lightfishes and Dragonfishes)ClassActinopterygii (Ray-finned fishes)Maximum length35.6Depth range790–1420 m (2592–4659 ft)EnvironmentMarine; bathypelagic; depth range 790 - 1420 mClimateDeep-waterDistributionEastern Atlantic: Western Sahara south to Namibia, not recorded close to the coast. Western Atlantic: Bermuda south to Brazil including Caribbean Sea and the southern Subtropical Convergence. Also, Indian and Pacific Oceans.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