最初命名為 Heterandria affinis:
- 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)
同種異名 (3):
- Gambusia patruelis Baird & Girard, 1853, 其模式產地在 Rio Sabanal; Rio Leona; Rio Neuces; and Elm Creek, Texas, U.S.A. 鑑定者: Rosen & Bailey, 1963
- Gambusia humilis Girard, 1859, 其模式產地在 Matamoros, Mexico. 鑑定者: Rosen & Bailey, 1963
- Haplochilus melanops Cope, 1870, 其模式產地在 Neuse River basin, Wake County, North Carolina, U.S.A. 鑑定者: Rosen & Bailey, 1963
- Zygonectes atrilatus Jordan & Brayton, 1878, 其模式產地在 Neuse River near Goldsboro, North Carolina, U.S.A. 鑑定者: Parenti et al., 1999
- Zygonectes brachypterus Cope, 1880, 其模式產地在 Trinity River at Fort Worth, Texas, U.S.A. 鑑定者: Rosen & Bailey, 1963
- Zygonectes inurus Jordan & Gilbert, 1882, 其模式產地在 Cache Creek, southern Illinois, U.S.A. 鑑定者: Rosen & Bailey, 1963
- Gambusia myersi Ahl, 1923, 其模式產地在 Mexico. 鑑定者: Baird & Girard, 1853
保育: Gambusia affinis 尚未被國際自然保育聯盟列入IUCN受威脅物種紅皮書名單中.