Africa: Lake Victoria and its affluent rivers (Ref. 5166, 34290, 118630, 118638), Victoria Nile above Murchison Falls (Ref. 5166) and Lakes Kyoga, Kwania and Salisbury (Ref. 5166), but strongly declining or disappeared in many areas (Ref. 52331), apparently replaced by Oreochromis niloticus (Ref. 34290). Introduced into several dams in Lake Victoria region (Ref. 118638).