Original description as Crenicichla aravera:
ZooBank:1B66C894-3DE8-4439-8431-7F6D9EE41790.
- Říčan, Oldřich & Lubomír Piálek, Adriana Almirón, & Jorge Casciotta. 2023. "Description of two new species forming a sympatric species pair of Crenicichla (Teleostei: Cichlidae) endemic to the Piray Guazú River in the Paraná River Basin, Misiones, Argentina and belonging to the C. mandelburgeri species complex". European Journal of Taxonomy. (879):38-63. DOI: 10.5852/ejt.2023.879.2159 (crc12321) (abstract)
Conservation: Crenicichla aravera is not evaluated by the international union for the conservation of nature in the iucn red list of threatened species.