HomeFish encyclopediaRay-finned fishesPerch-like fishCichlidsMortimer's happy Mortimer's happy (Sargochromis mortimeri) Scientific name: Sargochromis mortimeri Bell-Cross, 1975 The Mortimer's happy (Sargochromis mortimeri) is a freshwater fish of the family Cichlidae. Native range: Africa, Upper Zambezi, Kafue and Luangwa Rivers (middle Zambezi system) in Zambia. BiologyFound in various habitats and dams. Feeds on insects, snails and plants. Breeds in spring and early summer; males construct a sand-scrape nest in shallow water, females mouthbrood the eggs and larvae.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSargochromis mortimeriFamilyCichlidae (Cichlids)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length27.7EnvironmentFreshwater; demersalClimateTropicalDistributionAfrica: Upper Zambezi, Kafue and Luangwa Rivers (middle Zambezi system) in Zambia.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: subsistence fisheriesResilienceMedium, 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