Oxydoras kneri is a species of thorny catfish found in the Paraná River basin in Argentina, Bolivia, Brazil, Paraguay and Uruguay. This species grows to a length of TL and reaches a weight of . This species is caught commercially for human consumption. O. kneri is omnivorous, feeding mainly on insects, crustaceans, mollusks, other invertebrates and some vegetable material. References Doradidae Fish of South America Fish of Argentina Fish of Bolivia Fish of Brazil Fish of Paraguay Fish of Uruguay Taxa named by Pieter Bleeker Fish described in 1862 Taxobox binomials not recognized by IUCN