Descripción original como 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)
Conservación: Poecilia chica es evaluada por la Unión Internacional para la Conservación de la Naturaleza en la lista roja de especies amenazadas como (DD) datos deficientes (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).