chisoyensis, Poecilia Günther [A.] 1866:342 [Catalogue of the fishes in the British Museum v. 6; ref. 1983] Río Chisoy, Alta Vera Paz, Guatemala. Syntypes: BMNH 1864.1.26.190 (3). •Synonym of Poecilia sphenops Valenciennes 1846 -- (Rosen & Bailey 1963:49 [ref. 7067], Lucinda in Reis et al. 2003:568 [ref. 27061]). •Synonym of Poecilia mexicana Steindachner 1863 -- (Poeser 2003:47 [ref. 26769], Poeser 2003:162 [ref. 26783], Poeser 2003:359 [ref. 27075], Meyer 2015:239 [ref. 34698], Huber 2019:97 [ref. 36941]). Current status: Synonym of Poecilia mexicana Steindachner 1863. Poeciliidae: Poeciliinae. Habitat: freshwater.