最初命名為 Gambusia eurystoma:
ZooBank:74746CC0-F901-431D-B1C1-5FC0B37A7D23.
- Miller, Robert Rush. 1975. "Five new species of Mexican poeciliid fishes of the genera Poecilia, Gambusia, and Poeciliopsis". Occasional Papers of the Museum of Zoology, University of Michigan. (674):1-44 (ffm04575)
保育: Gambusia eurystoma 被評鑑為國際自然保育聯盟瀕危物種紅皮書名單中的 (CR) 瀕臨絕種(極危) (2018).