mcnieli, Gambusia Fowler [H. W.] 1916:433, Fig. 5 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 68; ref. 1394] Panama. Holotype (unique): ANSP 6818 (poor condition). Type catalog: Böhlke 1984:144 [ref. 13621]. •Synonym of Gambusia nicaraguensis Günther 1866 -- (Rosen & Bailey 1963:94 [ref. 7067] with question, Fink 1971:54 [ref. 7671], Greenfield et al. 1982:131 [ref. 21395], Lucinda in Reis et al. 2003:560 [ref. 27061], Meyer 2015:87 [ref. 34698], Huber 2019:67 [ref. 36941]). Current status: Synonym of Gambusia nicaraguensis Günther 1866. Poeciliidae: Poeciliinae. Habitat: freshwater, brackish.