HomeFish encyclopediaRay-finned fishesSawbelliesSlimeheadsBlack slimehead Black slimehead (Hoplostethus cadenati) Scientific name: Hoplostethus cadenati Qu?ro, 1974 The Black slimehead (Hoplostethus cadenati) is a marine fish of the family Trachichthyidae. BiologyDorsal spines (total): 4 - 6; Dorsal soft rays (total): 12-13; Anal spines: 2 - 3; Anal soft rays: 8 - 10. Body, head and fins dark grey in color.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHoplostethus cadenatiFamilyTrachichthyidae (Slimeheads)OrderBeryciformes (Sawbellies)ClassActinopterygii (Ray-finned fishes)Maximum length30.0Depth range70–1000 m (230–3281 ft)EnvironmentMarine; bathypelagic; depth range 70 - 1000 m, usually 200 - 700 mClimateDeep-waterDistributionEastern Atlantic: along the coast of northwest Africa between 27?30'N to 10?10'N and 1?26'S to 26'14?S. Reported from Cape Verde. Western Indian Ocean: off Transkei, South Africa.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceVery Low, minimum population doubling time more than 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