Original description as Salmo chrysogaster:
- Needham, Paul Robert & R. Gard. 1964. "A new trout from Central Mexico: Salmo chrysogaster, the Mexican golden trout". Copeia. 1964(1):169-173 (ffm00493)
Conservation: Oncorhynchus chrysogaster is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (VU) vulnerable (1996).