HomeFish encyclopediaRay-finned fishesPerch-like fishCichlidsChilwa tilapia Chilwa tilapia (Oreochromis shiranus chilwae) Scientific name: Oreochromis shiranus chilwae Trewavas, 1966 The Chilwa tilapia (Oreochromis shiranus chilwae) is a freshwater fish of the family Cichlidae. Native range: Africa, Lake Chilwa and its basin in Malawi and Mozambique. Species factsScientific nameOreochromis shiranus chilwaeFamilyCichlidae (Cichlids)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length16.8EnvironmentFreshwater; benthopelagicClimateTropicalDistributionAfrica: Lake Chilwa and its basin in Malawi and Mozambique.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquaculture: experimentalResilienceHigh, 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