Africa: Sanaga River in the north to the more southern Kouilou-Niari River, including, Ntem River and Ogowe River (Ref. 85331). Also in Congo River (Ref. 85331).
- LavouÃ©, S., J.P. Sullivan and M.E. Arnegard 2010 African weakly electric fishes of the genus Petrocephalus (Osteoglossomorpha: Mormyridae) of Odzala National Park, Republic of the Congo (LÃ©koli River, Congo River basin) with description of five new species. Zootaxa, 2600:1-52. (Ref. 85331) http://www.fishbase.org/references/FBRefSummary.php?id=85331&speccode=10985