Fontitrygon ukpam (Smith, 1863)

Fermon, Yves, Bailly, Nicolas, Cardiec, Floriane, Causse, Romain, Chartrain, Emmanuel, Chirio, Laurent, Bruyne, Godefroy De, Deynat, Pascal, Hopkins, Carl D., Lamboj, Anton, Mennesson, Marion I., Beh, Jean-Hervé Mve, Paugy, Didier, Sidlauskas, Brian, Sullivan, John P., Weghe, Jean-Pierre Van De, Vigliotta, Thomas R. & Zee, Jouke Van Der, 2022, An annotated checklist of the fishes of Gabon, Cybium 46 (2), pp. 2-3 : 108

Fontitrygon ukpam (Smith, 1863) ( Photo 1 )

Dasyatis ukpam (Smith, 1863) [Synonym: senior, new�

Urogymnus asperrimus (non Bloch & Schneider, 1801) [Misapplied� Occurrence: native

Maximum length: 120 cm WD

Water type: brackish, freshwater

Environment: demersal

Depth range: _

Migration: unknown

IUCN status: CR – Critically Endangered (A2cd / 2021) Source: bibliography, preserved, observation

Distribution and remarks: occurs in rivers and lakes of West Africa: Nigeria from Old Calabar River, Gabon from Lake Ezanga and the Ogowe River system and Democratic Republic of the Congo from the Congo River at Binda. All modern records are from fresh water. Occurrences for Gabon: USNM 219780, CAS 42761 “Lake Ezanga, S. of Lambarene”, MNHN 1979.244 “Bouée”, MRAC P-95004.0001 “Réserve de la Lopée”. Observed in rivers, estuaries, and deltas of Gabon, where juveniles and adults were caught by artisanal and sports fishery (De Bruyne, pers. obs.).

Figures

Photo 1. – Dasyatidae: Fontitrygon ukpam © Godefroy de Bruyne.