Taxonomic revision of the Rineloricaria species (Siluriformes: Loricariidae) from the Paraguay River basin

Species of the genus Rineloricaria from the Paraguay River basin were revised, the following species and geographic distributional patterns were found: R. aurata, Paraguay River basin in Brazil and Paraguay, rio Guapore in Brazil; R. cacerensis, Paraguay River near Caceres in Brazil; R. lanceolata, Paraguay River basin in Brazil and Paraguay, Guapore, Ji-Parana, Purus, Solimoes, and Araguaia rivers in Brazil, Maranon and Madre de Dios rivers in Peru; R. parva, Paraguay River basin in Brazil and Paraguay, Parana River in Argentina, Uruguay River in Brazil. Loricaria hoehnei is proposed as a new junior synonym of R. lanceolata. A key to the species of Rineloricaria from the Paraguay River basin is provided.