two recognized species in this genus: Pterodoras granulosus (Valenciennes, 1821) (Granulated catfish) Pterodoras rivasi (Fernández-Yépez, 1950) Froese...
The granulated catfish (Pterodoras granulosus) is a species of thorny catfish found in the Paraná and Amazon basin as well as the coastal drainages of...
Pterodoras rivasi is a species of thorny catfish found in the Orinoco River basin of Colombia and Venezuela. This species grows to a length of 55 centimetres...