Present throughout the Congo River basin except in the Shaba (Katanga) region and the Kasai (Ref. 43352). Known from the marine lower Congo, lower Congo, middle Congo River, Lake Tumba (Ref. 43352), Ruki (Ref. 43352, 93897), Mongala (Ref. 43352), Itimbiri (Ref. 43352, 106290), Aruwimi and Lindi-Tshopo (Ref. 106290). Also Ref. 5644.