HomeFish encyclopediaRay-finned fishesCharacinsAfrican tetrasGiant tigerfish Giant tigerfish (Hydrocynus goliath) Scientific name: Hydrocynus goliath Boulenger, 1898 The Giant tigerfish (Hydrocynus goliath) is a freshwater fish of the family Alestidae. In the aquarium it needs water at 23–26°C (73–79°F). Native range: Africa, Congo River basin, Lualaba River, Lake Upemba, and Lake Tanganyika. Giant tigerfish care at a glanceTemperature23–26°C (73–79°F) Species factsScientific nameHydrocynus goliathFamilyAlestidae (African tetras)OrderCharaciformes (Characins)ClassActinopterygii (Ray-finned fishes)Maximum length133EnvironmentFreshwater;; pH range: 6.5 - 7.5; dH range: ? - 25 pelagicClimateTropicalDistributionAfrica: Congo River basin, Lualaba River, Lake Upemba, and Lake Tanganyika.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: commercial; gamefish: yesResilienceLow, 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