Original description as Characodon variatus:
- Bean, Tarleton Hoffman. 1887. "Descriptions of five new species of fishes sent by Prof. A. Dugès from the Province of Guanajuato, Mexico". Proceeding of the United States National Museum. v. 10(n. 637), pp. 370-375 (ffm04505)
Conservation: Xenotoca variata is not evaluated by the international union for the conservation of nature in the iucn red list of threatened species.