Original description as Crenicichla gaucho:
ZooBank:956C9FB2-1102-4A38-BD93-C65348EC67BF.
- Lucena, Carlos & S. Kullander. 1992. "The Crenicichla (Teleostei: Cichlidae) species of the Uruguai River drainage in Brazil". Ichthyological Explorations of Freshwaters. v. 3(n. 2), pp 97-160 (crc00073) (abstract)
Conservation: Crenicichla gaucho is not evaluated by the international union for the conservation of nature in the iucn red list of threatened species.