An annotated checklist of the fishes of Gabon Author Fermon, Yves Author Bailly, Nicolas Author Cardiec, Floriane Author Causse, Romain Author Chartrain, Emmanuel Author Chirio, Laurent Author Bruyne, Godefroy De Author Deynat, Pascal Author Hopkins, Carl D. Author Lamboj, Anton Author Mennesson, Marion I. Author Beh, Jean-Hervé Mve Author Paugy, Didier Author Sidlauskas, Brian Author Sullivan, John P. Author Weghe, Jean-Pierre Van De Author Vigliotta, Thomas R. Author Zee, Jouke Van Der text Cybium 2022 46 2 2 3 http://dx.doi.org/10.5281/zenodo.10904647 journal article 10.26028/cybium/2022-462-3-001 2101-0315 Heterobranchus longifilis Valenciennes in Cuvier & Valenciennes, 1840 Occurrence: native Maximum length: 150 cm SL Water type : freshwater Environment: demersal Depth range: _ Migration: Potamodromous IUCN status: LC – Least concern (2019) Source: preserved Distribution and remarks: known from throughout western, central and southern Africa and, in Lower Guinea , known from the Cross and Sanaga in Cameroon and the Ogowe in Gabon .