Original description as Neoophorus diazi catarinae:
ZooBank:8AC0D166-3788-4FC1-A945-7A3F2A1EDDD7.
- de Buen, Fernando. 1942. "Una nueva subespecie del Neoophorus diazi (Meek). (Piscis-Goodeidae)". Anales del Instituto de Biologia de la Universidad Nacional Autonoma de Mexico. 13(1):341-349 (ffm04506)
Conservation: Allotoca catarinae is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (CR) critically endangered (2019).