HomeFish encyclopediaRay-finned fishesCharacinsAfrican tetrasLarge-toothed Lake Turkana robber Large-toothed Lake Turkana robber (Brycinus ferox) Scientific name: Brycinus ferox Hopson & Hopson, 1982 The Large-toothed Lake Turkana robber (Brycinus ferox) is a freshwater fish of the family Alestidae. Native range: Africa, endemic to Lake Turkana. BiologyIt has sharply pointed fang-like teeth and a muzzle-like prognathous snout. Pale fawn with silvery scales, darker on the dorsal surface. Both lobes of the caudal fin marked with red chromatophores on the lower lobe. The dorsal surface is lightly patterned with melanophores in preserved specimens, heavier in a band on the middorsal line. Characteristic patches of black pigment are present on the snout, on the lower jaw and on the mid-lateral portion of the caudal peduncle. Distal margin of caudal fin with broad edging of black pigment.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBrycinus feroxFamilyAlestidae (African tetras)OrderCharaciformes (Characins)ClassActinopterygii (Ray-finned fishes)Maximum length8.1EnvironmentFreshwater; pelagicClimateTropicalDistributionAfrica: endemic to Lake Turkana.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (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