HomeFish encyclopediaRay-finned fishesLightfishes and DragonfishesBarbeled dragonfishesBoa dragonfish Boa dragonfish (Stomias boa boa) Scientific name: Stomias boa boa Risso, 1810 The Boa dragonfish (Stomias boa boa) is a marine fish of the family Stomiidae. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 17-22; Anal spines: 0; Anal soft rays: 18 - 22. Body iridescent silver according to; black to dark brown according to. Barbel stem pale, one dark spot at base of bulb, filament blackish.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameStomias boa boaFamilyStomiidae (Barbeled dragonfishes)OrderStomiiformes (Lightfishes and Dragonfishes)ClassActinopterygii (Ray-finned fishes)Maximum length32.2Depth range200–1500 m (656–4921 ft)EnvironmentMarine; bathypelagic; depth range 200 - 1500 mClimateDeep-waterDistributionEastern Atlantic: western Mediterranean south to Mauritania, and from Angola to South Africa. Southwest Atlantic: Nunavut to Argentina. Southeast Pacific: Chile. Also, sub-Antarctic region of the Indian Ocean sector south to Heard Island.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