HomeFish encyclopediaRay-finned fishesCatfishEeltail catfishesStinging eel catfish Stinging eel catfish (Plotosus nkunga) Scientific name: Plotosus nkunga Gomon & Taylor, 1982 The Stinging eel catfish (Plotosus nkunga) is a freshwater fish of the family Plotosidae. Native range: Western Indian Ocean, Kosi Bay to Knysna in South Africa. Possibly extending to Zanzibar, Tanzania. BiologyDorsal spines (total): 1; Dorsal soft rays (total): 4; Anal spines: 0; Anal soft rays: 88 - 109. Preserved specimens brown or grey above, lighter brown or whitish below; 2 faint, longitudinal stripes sometimes present on body but not extending onto head.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePlotosus nkungaFamilyPlotosidae (Eeltail catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length51.0EnvironmentMarine; freshwater; brackish; demersalClimateTropicalDistributionWestern Indian Ocean: Kosi Bay to Knysna in South Africa. Possibly extending to Zanzibar, Tanzania.Conservation status (IUCN)Not EvaluatedThreat to humansVenomousUsesFisheries: minor commercial; gamefish: yesResilienceMedium, minimum population doubling time 1.4 - 4.4 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