最初命名為 Crenicichla tuca:
- Piálek, Lubomír & K. Dragová, J. Casciotta, A. Almirón & O. Říčan. 2015. "Description of two new species of Crenicichla (Teleostei: Cichlidae) from the lower Iguazú River with a taxonomic reappraisal of C. iguassuensis, C. tesay and C. yaha". Historia Natural. v. 5(n. 2), pp. 5-27 (crc06900) (摘要)
保育: Crenicichla tuca 尚未被國際自然保育聯盟列入IUCN受威脅物種紅皮書名單中. Hydroelectric dams and deforestation threaten the habitat of this species.