HomeFish encyclopediaRay-finned fishesLightfishes and DragonfishesBarbeled dragonfishesBlack-belly dragonfish Black-belly dragonfish (Stomias atriventer) Scientific name: Stomias atriventer Garman, 1899 The Black-belly dragonfish (Stomias atriventer) is a marine fish of the family Stomiidae. Native range: Eastern Pacific, California, USA to Mexico and Chile. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 16-20; Anal spines: 0; Anal soft rays: 16 - 22; Vertebrae: 69 - 74. Body black to dark brown. Barbel stem pale, one black spot at base of bulb. Bulb pale, filament black.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameStomias atriventerFamilyStomiidae (Barbeled dragonfishes)OrderStomiiformes (Lightfishes and Dragonfishes)ClassActinopterygii (Ray-finned fishes)Maximum length25.0Depth range100–1500 m (328–4921 ft)EnvironmentMarine; bathypelagic; depth range 100 - 1500 mClimateDeep-waterDistributionEastern Pacific: California, USA to Mexico and Chile.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Assuming tmax>3) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026