HomeFish encyclopediaRay-finned fishesLightfishes and DragonfishesBarbeled dragonfishesScaleless dragonfish Scaleless dragonfish (Bathophilus nigerrimus) Scientific name: Bathophilus nigerrimus Giglioli, 1882 The Scaleless dragonfish (Bathophilus nigerrimus) is a marine fish of the family Stomiidae. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 14-15; Anal spines: 0; Anal soft rays: 12 - 15Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBathophilus nigerrimusFamilyStomiidae (Barbeled dragonfishes)OrderStomiiformes (Lightfishes and Dragonfishes)ClassActinopterygii (Ray-finned fishes)Maximum length12.2EnvironmentMarine; bathypelagicClimateDeep-waterDistributionEastern Atlantic: off Gibraltar, Western Sahara south to Gabon including western Mediterranean; and off South Africa. Western Atlantic: between 20?N and 27?N, and from Brazil to Argentina. Indian and Pacific oceans.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