Original description as Australoheros mattosi:
- Ottoni, Felipe. 2012. "Three new species of Australoheros from southeastern Brazil, with taxonomic notes on Chromys oblonga, Heros autochton and H. jenynsii (Teleostei: Labroidei: Cichlidae)". Vertebrate Zoology. v. 62(n. 1), pp. 83-96 (crc04220) (abstract)
Conservation: Australoheros mattosi is not evaluated by the international union for the conservation of nature in the iucn red list of threatened species.