Hypostomus alatus

Hypostomus alatus is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the basin of the Das Velhas River, which itself is part of the São Francisco River basin in the coastal drainage of eastern Brazil. It is also known to occur in Argentina and Uruguay. The species reaches 28.8 cm (11.3 inches) SL.