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 Nannocharax ansorgii Boulenger, 1911 Occurrence: questionable Maximum length: 3.7 cm SL Water type : freshwater Environment: pelagic Depth range: _ Migration: unknown IUCN status: LC – Least concern (2019) Source: preserved Distribution and remarks: widely distributed from Senegal to Central African Republic and the Democratic Republic of the Congo . This species is unknown from Lower Guinea . A record from AMNH 232332-2000 under N. cf. ansorgii , is a probable misidentification according to the known distribution of the species.