. . "EN" . "Hemitrygon ukpam (J. A. Smith, 1863)" . "The pincushion ray or thorny freshwater stingray (Dasyatis ukpam) is a little-known species of stingray in the family Dasyatidae, found in the rivers and lakes of West Africa. A heavy-bodied ray measuring up to 1.2 m (4 ft) across, this species can be distinguished by its rounded pectoral fin disk, reduced or absent stinging tail spine, and\u2014in adults\u2014numerous stout thorns covering its back and tail."@en . "IUCN3.1" . "Pincushion ray"@en . . . . . . .