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Africa: Gambia, Senegal, Niger, Volta and Chad basins. Sahelo-Soudanian basins and the coastal basins of the rivers Cavally, Bandama, Sassandra, Comoé, Mono, Ouémé, Ogun and Culufi; Congo basin. Two subspecies exist: Mormyrus rume rume: West Africa and Chad System; Mormyrus rume proboscirostris: middle and upper Congo River. |