- Gambusia (Poey, 1854)
- Gambusia affinis (Baird & Girard, 1853)
- Heterandria affinis (Baird & Girard, 1853)
Heterandria patruelis (Baird & Girard, 1853)
Gambusia affinis (Girard, 1859)
Gambusia gracilis (Girard, 1859)
Gambusia patruelis (Girard, 1859)
Gambusia speciosa (Girard, 1859)
Zygonectes gracilis (Bleeker, 1860)
Zygonectes patruelis (Bleeker, 1860)
Zygonectes speciosa (Bleeker, 1860)
Gambusia humilis (Günther, 1866)
Zygonectes brachypterus (Cope, 1880)
Zygonectes inurus (Jordan & Gilbert, 1882)
- G. a. holbrooki
- Gambusia holbrooki (Girard, 1859)
Heterandria holbrooki (Girard, 1859)
Haplochilus melanops (Cope, 1870)
Zygonectes atrilatus (Jordan & Brayton, 1878)
Zygonectes melanops (Jordan, 1878)
Gambusia modesta (Ahl, 1923)
Gambusia myersi (Ahl, 1925)
- Gambusia amistadensis (Peden, 1973)
- Gambusia atrora (Rosen & Bailey, 1963)
- Gambusia aurata (Miller & Minckley, 1970)
- Gambusia myersi (Rosen & Bailey, 1963)
- Gambusia beebei (Myers, 1935)
- Gambusia dominicensis (Regan, 1913)
- Gambusia eurystoma (Miller, 1975)
- Gambusia gaigei (Hubbs, 1929)
- Gambusia alvarezi (Hubbs & Springer, 1957)
Gambusia hurtadoi (Hubbs & Springer, 1957)
- Gambusia geiseri (Hubbs & Springer, 1957)
- Gambusia georgei (Hubbs & Peden, 1969)
- Gambusia heterochir (Hubbs, 1957)
- Gambusia hispaniolae (Fink, 1971)
- Gambusia dominicensis (Regan, 1913)
- Gambusia krumholzi (Minckley, 1963)
- Gambusia lemaitrei
- Gambusia meadi (Dahl & Medem, 1964)
- Gambusia lemaitrei (Fowler, 1950)
- Gambusia longispinnis (Minckley, 1962)
- Gambusia luma (Rosen & Bailey, 1963)
- Gambusia marshi (Minckley & Craddock, 1962)
- Gambusia melapleura
- Poecilia melapleura (Gosse, 1851)
Poecilia melanopleura (Bleeker, 1860)
Haplocheilus melanopleurus (Günther, 1866)
Gambusia melanopleura (Garman, 1895)
Fundulus melapleurus (Jordan & Evermann, 1896)
- Gambusia nicaraguensis (Günther, 1866)
- Paragambusia nicaraguensis (Meek, 1904)
Gambusia dovii (Regan, 1913)
Gambusia mcneili (Fowler, 1916)
Gambusia aestiputius (Fowler, 1950)
- Gambusia nobilis
- Heterandria nobilis (Baird & Girard, 1853)
- Gambusia panuco (Hubbs, 1926)
- Gambusia pseudopunctata (Rivas, 1969)
- Gambusia punctata
- Gambusia punctata punctulata (Garman, 1895)
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- Gambusia puncticulata (Poey, 1854)
- Gambusia picturata (Poey, 1868)
Gambusia caymanensis (Regan, 1913)
Gambusia melanosticta (Regan, 1913)
Gambusia nigropunctata (Regan, 1913)
Gambusia oligosticta (Regan, 1913)
Gambusia howelli (Rivas, 1944)
- G. p. baracoana
- Gambusia baracoana (Rivas, 1944)
- G. p. bucheri
- Gambusia bucheri (Rivas, 1944)
- G. p. manni (Hubbs, 1927)
- Gambusia hubbsi (Breder, 1934)
- G. p. monticola
- Gambusia monticola (Rivas, 1971)
- G. p. yucatana
- Gambusia yucatana (Regan, 1914)
- Gambusia regani (Hubbs, 1926)
- Gambusia rhizophorae
- Gambusia punctata (Rosen & Bailey, 1963)
- Gambusia rhizophorae (Rivas, 1969)
- Gambusia senilis (Girard, 1859)
- Zygonectes senilis (Bleeker, 1860)
Gambusia affinis (Evermann & Kendall, 1894)
Gambusia nobilis (Woolman, 1894)
- Gambusia sexradiata
- Gambusia nicaraguensis (Hubbs, 1936)
Gambusia nicaraguensis sexradiata (Hubbs, 1936)
- Gambusia wrayi (Regan, 1913)
- Gambusia gracilior (Regan, 1913)
- Gambusia xanthosoma (Greenfield, 1983)