最初描述为 Heterandia occidentalis:
- Baird, Spencer F. & C.F. Girard. 1853. "Descriptions of new species of fishes collected by Mr. John H. Clark, on the U. S. and Mexican Boundary Survey, under Lt. Col. Jas. D. Graham". Proceedings of the Academy of Natural Sciences of Philadelphia. 6:387-390 (ffm04562)
同种异名 (1):
- Arizonichthys psammophilus Nichols, 1940, 标本产地来自于 3.5 miles east of Tanque Verde, Pima County, Arizona, U.S.A. 鉴定者: Minckley et al., 2009
保育: Poeciliopsis occidentalis 未被国际自然保护联盟（IUCN）在濒危物种红色名录中为自然保育进行评估.