n = 116
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Poecilia amates | Miller, 1907 | Phallichthys amates | Poeciliidae | Merry widow livebearer |
| Poecilia amazonica | Garman, 1895 | Poecilia parae | Poeciliidae | |
| Poecilia araguaiensis | (Costa, 1991) | Pamphorichthys araguaiensis | Poeciliidae | |
| Poecilia bensonii | Peters, 1864 | Aplocheilichthys spilauchen | Procatopodidae | Banded lampeye |
| Poecilia bifurca | (Eigenmann, 1909) | Micropoecilia bifurca | Poeciliidae | |
| Poecilia boesemani | Poeser, 2003 | Poecilia boesemani | Poeciliidae | |
| Poecilia bogotensis | Humboldt, 1821 | Grundulus bogotensis | Characidae | |
| Poecilia boucardii | Steindachner, 1878 | Poecilia sphenops | Poeciliidae | Molly |
| Poecilia branneri | Eigenmann, 1894 | Micropoecilia branneri | Poeciliidae | |
| Poecilia butleri | Jordan, 1889 | Poecilia butleri | Poeciliidae | Pacific molly |
| Poecilia calaritana | Cuvier, 1829 | Aphanius fasciatus | Cyprinodontidae | Mediterranean banded killifish |
| Poecilia catemaconis | Miller, 1975 | Poecilia catemaconis | Poeciliidae | Catemaco molly |
| Poecilia catenata | Storer, 1846 | Fundulus catenatus | Fundulidae | Northern studfish |
| Poecilia caucana | (Steindachner, 1880) | Poecilia caucana | Poeciliidae | |
| Poecilia caudata | Meek, 1909 | Poecilia sphenops | Poeciliidae | Molly |
| Poecilia caudofasciata | (Regan, 1913) | Poecilia caudofasciata | Poeciliidae | |
| Poecilia chica | Miller, 1975 | Poecilia chica | Poeciliidae | Dwarf molly |
| Poecilia chisoyensis | Günther, 1866 | Poecilia sphenops | Poeciliidae | Molly |
| Poecilia coenicola | Bloch & Schneider, 1801 | Fundulus heteroclitus | Fundulidae | Mummichog |
| Poecilia couchii | Günther, 1866 | Xiphophorus couchianus | Poeciliidae | Monterrey platyfish |
| Poecilia cuneata | Garman, 1895 | Poecilia mexicana | Poeciliidae | Shortfin molly |
| Poecilia dauli | Meyer & Radda, 2000 | Poecilia dauli | Poeciliidae | |
| Poecilia decemmaculata | Jenyns, 1842 | Cnesterodon decemmaculatus | Poeciliidae | Ten spotted live-bearer |
| Poecilia dominicensis | Valenciennes, 1846 | Limia dominicensis | Poeciliidae | Tiburon Peninsula limia |
| Poecilia dominicensis | (Evermann & Clark, 1906) | Poecilia dominicensis | Poeciliidae | |
| Poecilia dovii | Günther, 1866 | Poecilia sphenops | Poeciliidae | Molly |
| Poecilia elegans | (Trewavas, 1948) | Poecilia elegans | Poeciliidae | Elegant molly |
| Poecilia elongata | Günther, 1866 | Poeciliopsis elongata | Poeciliidae | Elongate toothcarp |
| Poecilia fasciata | Bloch & Schneider, 1801 | Fundulus heteroclitus | Fundulidae | Mummichog |
| Poecilia festae | Boulenger, 1898 | Pseudopoecilia festae | Poeciliidae | |
| Poecilia formosa | (Girard, 1859) | Poecilia formosa | Poeciliidae | Amazon molly |
| Poecilia fria | Eigenmann & Henn, 1914 | Pseudopoecilia fria | Poeciliidae | |
| Poecilia fusca | Forster, 1801 | Eleotris fusca | Eleotridae | Dusky sleeper |
| Poecilia gilli | (Kner, 1863) | Poecilia gillii | Poeciliidae | |
| Poecilia gillii | (Kner, 1863) | Poecilia gillii | Poeciliidae | |
| Poecilia gracilis | Valenciennes, 1846 | Cnesterodon decemmaculatus | Poeciliidae | Ten spotted live-bearer |
| Poecilia hasemani | (Henn, 1916) | Pamphorichthys hasemani | Poeciliidae | |
| Poecilia helleri | (Heckel, 1848) | Xiphophorus hellerii | Poeciliidae | Green swordtail |
| Poecilia heterandria | (Regan, 1913) | Limia heterandria | Poeciliidae | |
| Poecilia heteristia | Regan, 1909 | Micropoecilia branneri | Poeciliidae | |
| Poecilia hispaniolana | Rivas, 1978 | Poecilia hispaniolana | Poeciliidae | Hispaniola molly |
| Poecilia holacanthus | (Hubbs, 1924) | Poecilia vivipara | Poeciliidae | |
| Poecilia hollandi | (Henn, 1916) | Pamphorichthys hollandi | Poeciliidae | |
| Poecilia hondurensis | Poeser, 2011 | Poecilia hondurensis | Poeciliidae | |
| Poecilia januarius | (Hensel, 1868) | Phalloptychus januarius | Poeciliidae | |
| Poecilia kempkesi | Poeser, 2013 | Poecilia kempkesi | Poeciliidae | |
| Poecilia koperi | Poeser, 2003 | Poecilia koperi | Poeciliidae | |
| Poecilia kykensis | Poeser, 2002 | Poecilia kykesis | Poeciliidae | |
| Poecilia kykesis | Poeser, 2002 | Poecilia kykesis | Poeciliidae | |
| Poecilia latipes | Temminck & Schlegel, 1846 | Oryzias latipes | Adrianichthyidae | Japanese rice fish |
| Poecilia latipinna | (Lesueur, 1821) | Poecilia latipinna | Poeciliidae | Sailfin molly |
| Poecilia latipunctata | Meek, 1904 | Poecilia latipunctata | Poeciliidae | Broadspotted molly |
| Poecilia limantouri | Jordan & Snyder, 1899 | Poecilia mexicana | Poeciliidae | Shortfin molly |
| Poecilia lineolata | Girard, 1858 | Poecilia latipinna | Poeciliidae | Sailfin molly |
| Poecilia maculata | (Günther, 1866) | Xiphophorus maculatus | Poeciliidae | Southern platyfish |
| Poecilia maculatus | (Günther, 1866) | Xiphophorus maculatus | Poeciliidae | Southern platyfish |
| Poecilia marcellinoi | Poeser, 1995 | Poecilia marcellinoi | Poeciliidae | |
| Poecilia maylandai | Meyer, 1983 | Poecilia maylandi | Poeciliidae | Balsas molly |
| Poecilia maylandi | Meyer, 1983 | Poecilia maylandi | Poeciliidae | Balsas molly |
| Poecilia mechthildae | Meyer, Etzel & Bork, 2002 | Poecilia mechthildae | Poeciliidae | |
| Poecilia melanogaster | Günther, 1866 | Limia melanogaster | Poeciliidae | Blackbelly limia |
| Poecilia melanzona | (Eigenmann, 1909) | Poecilia parae | Poeciliidae | |
| Poecilia melapleura | Gosse, 1851 | Gambusia melapleura | Poeciliidae | Striped gambusia |
| Poecilia mexicana | Steindachner, 1863 | Poecilia mexicana | Poeciliidae | Shortfin molly |
| Poecilia mexicana mexicana | Steindachner, 1863 | Poecilia mexicana | Poeciliidae | Shortfin molly |
| Poecilia minima | Costa & Sarraf, 1997 | Micropoecilia minima | Poeciliidae | |
| Poecilia minor | (Garman, 1895) | Pamphorichthys minor | Poeciliidae | Mini-molly |
| Poecilia montana | Rosen & Bailey, 1963 | Poecilia dominicensis | Poeciliidae | |
| Poecilia multilineata | Lesueur, 1821 | Poecilia latipinna | Poeciliidae | Sailfin molly |
| Poecilia nicholsi | (Myers, 1931) | Poecilia nicholsi | Poeciliidae | |
| Poecilia nigrofasciata | (Regan, 1913) | Limia nigrofasciata | Poeciliidae | Blackbarred limia |
| Poecilia nuchimaculata | Guichenot, 1866 | Pachypanchax omalonotus | Aplocheilidae | Powder-blue panchax |
| Poecilia obscura | Schories, Meyer & Schartl, 2009 | Poecilia obscura | Poeciliidae | |
| Poecilia olivacea | Storer, 1845 | Fundulus olivaceus | Fundulidae | Blackspotted topminnow |
| Poecilia omalonota | Duméril, 1861 | Pachypanchax omalonotus | Aplocheilidae | Powder-blue panchax |
| Poecilia orri | Fowler, 1943 | Poecilia orri | Poeciliidae | Mangrove molly |
| Poecilia parae | Eigenmann, 1894 | Poecilia parae | Poeciliidae | |
| Poecilia perugiae | (Evermann & Clark, 1906) | Limia perugiae | Poeciliidae | Perugia's limia |
| Poecilia petenensis | Günther, 1866 | Poecilia petenensis | Poeciliidae | Peten molly |
| Poecilia picta | Regan, 1913 | Micropoecilia picta | Poeciliidae | Swamp guppies |
| Poecilia pittieri | Meek, 1912 | Phallichthys amates | Poeciliidae | Merry widow livebearer |
| Poecilia presidionis | Jordan & Culver, 1895 | Poeciliopsis presidionis | Poeciliidae | Sinaloa livebearer |
| Poecilia punctata | Valenciennes, 1846 | Jenynsia multidentata | Anablepidae | Rio de la Plata onesided livebearer |
| Poecilia reticulata | Peters, 1859 | Poecilia reticulata | Poeciliidae | Guppy |
| Poecilia reticulate | Peters, 1859 | Poecilia reticulata | Poeciliidae | Guppy |
| Poecilia reticulatus | Peters, 1859 | Poecilia reticulata | Poeciliidae | Guppy |
| Poecilia retropinna | Regan, 1908 | Poeciliopsis retropinna | Poeciliidae | |
| Poecilia rivasi | (Franz & Burgess, 1983) | Limia rivasi | Poeciliidae | Rivas's limia |
| Poecilia rositae | Meyer, Schneider, Radda, Wilde & Schartl, 2004 | Poecilia rositae | Poeciliidae | |
| Poecilia salvatoris | Regan, 1907 | Poecilia salvatoris | Poeciliidae | |
| Poecilia sarrafae | Bragança & Costa, 2011 | Poecilia sarrafae | Poeciliidae | |
| Poecilia scalpridens | (Garman, 1895) | Pamphorichthys scalpridens | Poeciliidae | |
| Poecilia schneideri | Valenciennes, 1821 | Poecilia vivipara | Poeciliidae | |
| Poecilia sexfasciata | Peters, 1864 | Epiplatys dageti | Nothobranchiidae | Redchin panchax |
| Poecilia sphenops | Valenciennes, 1846 | Poecilia sphenops | Poeciliidae | Molly |
| Poecilia spilargyreia | Duméril, 1861 | Epiplatys spilargyreius | Nothobranchiidae | |
| Poecilia spilauchena | Duméril, 1861 | Aplocheilichthys spilauchen | Procatopodidae | Banded lampeye |
| Poecilia spilonota | Regan, 1908 | Poecilia sphenops | Poeciliidae | Molly |
| Poecilia spilurus | Günther, 1866 | Poecilia sphenops | Poeciliidae | Molly |
| Poecilia sulphuraria | (Álvarez, 1948) | Poecilia sulphuraria | Poeciliidae | Sulphur molly |
| Poecilia surinamensis | Valenciennes, 1821 | Poecilia vivipara | Poeciliidae | |
| Poecilia tenuis | Meek, 1907 | Poecilia sphenops | Poeciliidae | Molly |
| Poecilia teresae | Greenfield, 1990 | Poecilia teresae | Poeciliidae | Mountain molly |
| Poecilia thermalis | Steindachner, 1863 | Poecilia sphenops | Poeciliidae | Molly |
| Poecilia tridens | Hilgendorf, 1889 | Limia tridens | Poeciliidae | |
| Poecilia unimaculata | Valenciennes, 1821 | Poecilia vivipara | Poeciliidae | |
| Poecilia vandepolli | Van Lidth de Jeude, 1887 | Poecilia vandepolli | Poeciliidae | |
| Poecilia vandepolli arubensis | van Lidth de Jeude, 1887 | Poecilia sphenops | Poeciliidae | Molly |
| Poecilia velifera | (Regan, 1914) | Poecilia velifera | Poeciliidae | Sail-fin molly |
| Poecilia vetiprovidentiae | Fowler, 1950 | Poecilia sphenops | Poeciliidae | Molly |
| Poecilia vittata | Guichenot, 1853 | Limia vittata | Poeciliidae | Cuban limia |
| Poecilia vivipara | Bloch & Schneider, 1801 | Poecilia vivipara | Poeciliidae | |
| Poecilia vivipara parae | Eigenmann, 1894 | Poecilia parae | Poeciliidae | |
| Poecilia waiapi | Bragança, Costa & Gama, 2012 | Poecilia waiapi | Poeciliidae | |
| Poecilia wandae | Poeser, 2003 | Poecilia wandae | Poeciliidae | |
| Poecilia wingei | Poeser, Kempkes & Isbrücker, 2005 | Poecilia wingei | Poeciliidae |