HomeFish encyclopediaRay-finned fishesCusk eelsViviparous brotulasBrown brotula Brown brotula (Cataetyx niki) Scientific name: Cataetyx niki Cohen, 1981 The Brown brotula (Cataetyx niki) is a marine fish of the family Bythitidae. Native range: Southeast Atlantic, off the Cape in South Africa. Southwest Pacific: Australia. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 91-95; Anal spines: 0; Anal soft rays: 69 - 77Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCataetyx nikiFamilyBythitidae (Viviparous brotulas)OrderOphidiiformes (Cusk eels)ClassActinopterygii (Ray-finned fishes)Maximum length64.0Depth range1000–1100 m (3281–3609 ft)EnvironmentMarine; bathydemersal; depth range 1000 - 1100 mClimateDeep-waterDistributionSoutheast Atlantic: off the Cape in South Africa. Southwest Pacific: Australia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceLow, minimum population doubling time 4.5 - 14 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