Africa: Chad, Niger, Volta, Gambia, Senegal (Ref. 2880, 81279). Outside West Africa this species is found in the Nile, Lake Mobutu Sese Seko [=Lake Albert] and Omo-Lake Turkana system (Ref. 2880). Also known from the White Nile, Murchinson Nile and Blue Nile (Ref. 5331).