Original description as Tetragonopterus mexicanus:
ZooBank:2E6A902A-B178-4C1C-A945-E55C7E5BE8FE.
- de Filippi, Filippo. 1853. "Nouvelles espèces de poissons". Revue et Magasin de Zoologie. 2:164-171 (ffm00219)
Conservation: Astyanax mexicanus is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (LC) least concern (2011).