Original description as Gymnogeophagus terrapurpura:
- Loureiro, Marcelo & M. Zarucki, L.R. Malabarba, I. González-Bergonzoni. 2016. "A new species of Gymnogeophagus Miranda Ribeiro from Uruguay (Teleostei: Cichliformes)". Neotropical Ichthyology. v. 14(n. 1), pp. e150082 (crc07302) (abstract)
Conservation: Gymnogeophagus terrapurpura is not evaluated by the international union for the conservation of nature in the iucn red list of threatened species. According to Loureiro & al. 2016:161, Gymnogeophagus terrapurpura is abundant throughout its range, and no specific threats have observed. Thus, it could be categorized as “least concern” according to the IUCN criteria.