gracilior, Gambusia Regan [C. T.] 1913:989, Pl. 99 (fig. 5-6); Fig. 168c [Proceedings of the Zoological Society of London 1913 (pt 4) (art. 58); ref. 3653] Jamaica. Syntypes: (13) BMNH 1969.9.8.1-14 (14 now 6); CAS-SU 24179 [ex BMNH] (2). •Valid as Gambusia gracilior Regan 1913 -- (Rosen & Bailey 1963:96 [ref. 7067]). •Synonym of Gambusia wrayi Regan 1913 -- (Fink 1971:61 [ref. 7671], Lucinda in Reis et al. 2003:561 [ref. 27061], Meyer 2015:105 [ref. 34698], Huber 2019:63 [ref. 36941]). Current status: Synonym of Gambusia wrayi Regan 1913. Poeciliidae: Poeciliinae. Habitat: freshwater, brackish.