Potamosilurus velutinus

Potamosilurus velutinus, the papillate catfish, is a species of catfish in the family Ariidae. It was described by Max Carl Wilhelm Weber in 1907, originally under the genus Hemipimelodus. It inhabits freshwater lakes and rivers in New Guinea. Its diet includes mayflies and other terrestrial and aquatic insects, detritus, benthic algae, and crustaceans.
Potamosilurus velutinus reaches a maximum known standard length of, but usually reaches an SL of. It reaches a maximum weight of. It spawns throughout the year. It is harvested by subsistence fisheries.