HomeFish encyclopediaRay-finned fishesPerch-like fishCichlidsAngolan happy Angolan happy (Chetia welwitschi) Scientific name: Chetia welwitschi Boulenger, 1898 The Angolan happy (Chetia welwitschi) is a freshwater fish of the family Cichlidae. Native range: Africa, Cunene River system and Camaloa River, a Caluango River tributary (Luangwe/Luangue system, Kasai drainage, middle Congo River basin), Angola. BiologyKnown only from a few specimens. More specimens are required for study.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameChetia welwitschiFamilyCichlidae (Cichlids)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length14.7EnvironmentFreshwater; benthopelagicClimateTropicalDistributionAfrica: Cunene River system and Camaloa River, a Caluango River tributary (Luangwe/Luangue system, Kasai drainage, middle Congo River basin), Angola.Conservation status (IUCN)Data deficient (DD)Threat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Assuming Fec SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026