Absent from Cameroon, except for the Cameroonian parts of the Chad basin, and the Benue system (Ref. 2). Also in Cross River in Lake Manengouba (Ref. 53784). Introduced elsewhere, self-reproducing and established in the wild, more specifically in the Noun marsh, Djerem River and Sanaga River, where it has already replaced native species; now the most important species used in aquaculture and used in fish stations throughout the country (Ref. 82489). Also Ref. 27690, 51193.