Author: (Valenciennes, 1821)
FBname: Granulated catfish
Remark: Specimens from Guyana and Suriname tentatively referred to <i>P. granulosus</i>. Species-level distinctiveness of Paraná and Amazonas <i>Pterodoras</i> not investigated.
Comments: Nocturnal predator.  Occurs in small groups.  Feeds mainly on the fruits of <i>Astrocaryum javary</i> (Ref. 9084).