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 Synodontis batesii Boulenger, 1907 Occurrence: native Maximum length: 11.5 cm SL Water type : freshwater Environment: benthopelagic Depth range: _ Migration: unknown IUCN status: LC – Least concern (2010) Source: bibliography, preserved, observation Distribution and remarks: in Lower Guinea found in the Nyong, the Ntem of Cameroon , the Ivindo, Ogowe and Ouzibi of Gabon and the Rio Muni in Equatorial Guinea . Elsewhere, found in the Dja and the central Congo River basin. Synodontis haugi Pellegrin, 1906 Type-locality: Synodontis haugi – “ Ogôoué River at Ngomo , Gabon ”. Holotype : MNHN 1906-0209. Occurrence: native Maximum length: 23.5 cm SL Water type : freshwater Environment: benthopelagic Depth range: _ Migration: unknown IUCN status: LC – Least concern (2010) Source: preserved Distribution and remarks: a Lower Guinea endemic known from the Ogowe basin in Gabon . One record in Cameroon too.