HomeFish encyclopediaRay-finned fishesCusk eelsViviparous brotulasBlack widow Black widow (Stygnobrotula latebricola) Scientific name: Stygnobrotula latebricola B?hlke, 1957 The Black widow (Stygnobrotula latebricola) is a marine fish of the family Bythitidae. Native range: Western Atlantic, Bahamas to Brazil. BiologyA common species inhabiting shallow rocky ledges and reefs, found deep within the reef during the day. A live-bearing species.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameStygnobrotula latebricolaFamilyBythitidae (Viviparous brotulas)OrderOphidiiformes (Cusk eels)ClassActinopterygii (Ray-finned fishes)Maximum length7.5EnvironmentMarine; reef-associatedClimateTropicalDistributionWestern Atlantic: Bahamas to Brazil.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: of no interestResilienceLow, minimum population doubling time 4.5 - 14 years (Assuming Fec SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026