Original description as Crenicichla tendybaguassu:
ZooBank:9F70FA2C-100B-4023-9AFE-644FEF5EE3D0.
- de Lucena, Carlos Alberto Santos & S. Kullander. 1992. "The Crenicichla (Teleostei: Cichlidae) species of the Uruguai River drainage in Brazil". Ichthyological Explorations of Freshwaters. 3(2):97-160 (crc00073) (abstract)
Conservation: Crenicichla tendybaguassu is not evaluated by the international union for the conservation of nature in the iucn red list of threatened species.