Azpelicueta, M. i J. O. García, 2000: A new species of Astyanax (Characiformes, Characidae) from Uruguay river basin in Argentina, with remarks on hook presence in Characidae. Revue Suisse de Zoologie v. 107 (núm. 2): 245-257.
Miquelarena, A. M. i H. L. López, 2004: Considerations on the ichthyofauna of the Uruguay River basin: Hemiancistrus fuliginosus Cardoso & Malabarba, 1999 (Loricariidae: Ancistrinae). Journal of Applied Ichthyology v. 20: 234-237.
Oddone, M. C., G. Velasco, i G. Rincón, 2008: Occurrence of freshwater stingrays (Chondrichthyes: Potamotrygonidae) in the Uruguay River and its tributaries, Uruguay, South America. Aqua, International Journal of Ichthyology v. 14 (núm. 2): 69-76.
Protogino, L. C., A. M. Miquelarena, i H. L. López, 2006: A new species of Astyanax (Teleostei, Characiformes, Characidae), with breeding tubercles, from the Paraná and Uruguay river basins. Zootaxa Núm. 1297: 1-16.
Říĉan, O. i S. O. Kullander, 2008: The [Australoheros] (Teleostei: Cichlidae) species of the Uruguay and Paraná River drainages. Zootaxa Núm. 1724: 1-51.