Descrizione originale come Crenicichla prenda:
ZooBank:C3AAA6A6-010B-439D-9F8C-6AAFB5E0E24B.
- 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) (riassunto)
Conservazione: Crenicichla prenda è valutata dalle organizzazioni internazionali di salvaguardia delle specie a rischio come (NT) Quasi Minacciata (2018). Crenicichla prenda is a species associated with rapids, in a region very compromised by current and planned dams. The construction of waterfall reservoirs in the upper Uruguai River has changed the preferred habitats of the species.