HomeFish encyclopediaRay-finned fishesPerch-like fishCichlidsGreenwood's happy Greenwood's happy (Sargochromis greenwoodi) Scientific name: Sargochromis greenwoodi Bell-Cross, 1975 The Greenwood's happy (Sargochromis greenwoodi) is a freshwater fish of the family Cichlidae. Native range: Africa, uncommon; Okavango River, upper Zambezi River and the Kafue River (Namibia, Zambia and Botswana). BiologyPrefers still or slow-flowing water and dense vegetation. Feeds primarily on insects, small snails and other invertebrates and occasionally small fish. A female mouthbrooder, breeds in summer.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSargochromis greenwoodiFamilyCichlidae (Cichlids)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length30.0EnvironmentFreshwater; demersalClimateTropicalDistributionAfrica: uncommon; Okavango River, upper Zambezi River and the Kafue River (Namibia, Zambia and Botswana).Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: subsistence fisheries; 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