Original description as Apistogramma arua:
ZooBank:00A66BC8-CAC2-4CDA-87DD-2E47307AC16E.
- Römer, Uwe & F. Warzel. 1998. "Apistogramma arua sp. n. (Teleostei: Perciformes: Cichlidae), a new species of dwarf cichlid from the Rio Arapiuns system, Para State, Brazil". Aqua: Journal of Ichthyology and Aquatic Biology. 3(2):45-54 (crc01022) (abstract)
Conservation: Apistogramma arua is not evaluated by the international union for the conservation of nature in the iucn red list of threatened species.