Abstract
The cascudos of the subfamily Loricariinae inhabit substrate environments in the rivers of South America. They are distinguished from other groups of the family Loricariidae by presenting a long and depressed caudal peduncle, and absence of adipose fin. The genus Proloricaria was described in 2001 based on the type species Loricaria prolixa, from the Tietê River basin. The other valid spe…