最初描述为 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 由国际自然保护联盟(IUCN)在濒危物种红色名录中为自然保育而进行了评估 evaluated (CR) 极危(Critically endangered) (2018).