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 Urogymnus asperrimus (Bloch & Schneider, 1801) Occurrence: questionable Maximum length: 216.1 cm TL; 147 cm WD Water type : marine, brackish Environment: reef associated Depth range: 1-217 m Migration: unknown IUCN status: VU – Vulnerable (A2bd / 2016) Source: bibliography Distribution and remarks: East Atlantic: known from Senegal , Guinea , and Côte d’Ivoire . A confusion comes from the fact that the adults of F. ukpam look like U. asperrimus , because at maturity they lose their sting and their back is covering with spikes (the local name of F. ukpam in Port-Gentil is “la raie porc épique”) (De Bruyne, pers. obs.).