Décrit initialement sous Poecilia chica:
ZooBank:29626B95-2DD9-4829-A504-D0DDC209F267.
- 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)
Conservation: Poecilia chica est évalué par l'Union Internationale pour la Conservation de la Nature dans la Liste Rouge des espèces menacées comme étant (DD) données insuffisantes (2018). The species is potentially threatened by destruction, modification, or reduction of its habitat as a result of perturbations caused by factors such as sedimentation, chemical pollution, de-watering, and anthropogenic modifications to natural channels or flow regimes (Maiz-Tome, 2019).