HomeFish encyclopediaRay-finned fishesPerch-like fishCichlidsHumpback largemouth Humpback largemouth (Serranochromis altus) Scientific name: Serranochromis altus Winemiller & Kelso-Winemiller, 1991 The Humpback largemouth (Serranochromis altus) is a freshwater fish of the family Cichlidae. Native range: Africa, Upper Zambezi River, Zambia and Okavango drainage in Botswana and Namibia. BiologyFeeds primarily on nocturnal mormyrid and schilbeid fishes.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSerranochromis altusFamilyCichlidae (Cichlids)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length56.0EnvironmentFreshwater; demersalClimateTropicalDistributionAfrica: Upper Zambezi River, Zambia and Okavango drainage in Botswana and Namibia.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessResilienceMedium, 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