| Scientific Name | Author | English Name |
|---|---|---|
| Aapticheilichthys websteri | (Huber, 2007) | |
| Alfaro cultratus | (Regan, 1908) | |
| Alfaro huberi | (Fowler, 1923) | |
| Aplocheilichthys spilauchen | (Duméril, 1861) | Banded lampeye |
| Belonesox belizanus | Kner, 1860 | Top minnow |
| Brachyrhaphis cascajalensis | (Meek & Hildebrand, 1913) | |
| Brachyrhaphis episcopi | (Steindachner, 1878) | |
| Brachyrhaphis hartwegi | Rosen & Bailey, 1963 | Soconusco gambusia |
| Brachyrhaphis hessfeldi | Meyer & Etzel, 2001 | |
| Brachyrhaphis holdridgei | Bussing, 1967 | |
| Brachyrhaphis olomina | (Meek, 1914) | |
| Brachyrhaphis parismina | (Meek, 1912) | |
| Brachyrhaphis punctifer | (Hubbs, 1926) | |
| Brachyrhaphis rhabdophora | (Regan, 1908) | |
| Brachyrhaphis roseni | Bussing, 1988 | |
| Brachyrhaphis roswithae | Meyer & Etzel, 1998 | |
| Brachyrhaphis terrabensis | (Regan, 1907) | |
| Carlhubbsia kidderi | (Hubbs, 1936) | Champoton gambusia |
| Carlhubbsia stuarti | Rosen & Bailey, 1959 | Barred livebearer |
| Cnesterodon brevirostratus | Rosa & Costa, 1993 | |
| Cnesterodon carnegiei | Haseman, 1911 | |
| Cnesterodon decemmaculatus | (Jenyns, 1842) | Ten spotted live-bearer |
| Cnesterodon holopteros | Lucinda, Litz & Recuero, 2006 | |
| Cnesterodon hypselurus | Lucinda & Garavello, 2001 | |
| Cnesterodon iguape | Lucinda, 2005 | |
| Cnesterodon omorgmatos | Lucinda & Garavello, 2001 | |
| Cnesterodon pirai | Aguilera, Mirande & Azpelicueta, 2009 | |
| Cnesterodon raddai | Meyer & Etzel, 2001 | |
| Cnesterodon septentrionalis | Rosa & Costa, 1993 | |
| Fluviphylax obscurus | Costa, 1996 | |
| Fluviphylax palikur | Costa & Le Bail, 1999 | |
| Fluviphylax pygmaeus | (Myers & Carvalho, 1955) | |
| Fluviphylax simplex | Costa, 1996 | |
| Fluviphylax zonatus | Costa, 1996 | |
| Gambusia affinis | (Baird & Girard, 1853) | Mosquitofish |
| Gambusia alvarezi | Hubbs & Springer, 1957 | Yellowfin gambusia |
| Gambusia amistadensis | Peden, 1973 | Amistad gambusia |
| Gambusia atrora | Rosen & Bailey, 1963 | Blackfin gambusia |
| Gambusia aurata | Miller & Minckley, 1970 | Golden gambusia |
| Gambusia baracoana | Rivas, 1944 | |
| Gambusia beebei | Myers, 1935 | Miragoane gambusia |
| Gambusia bucheri | Rivas, 1944 | |
| Gambusia clarkhubbsi | Garrett & Edwards, 2003 | San Felipe gambusia |
| Gambusia dominicensis | Regan, 1913 | Dominican gambusia |
| Gambusia echeagarayi | (Álvarez, 1952) | Maya gambusia |
| Gambusia eurystoma | Miller, 1975 | Widemouth gambusia |
| Gambusia gaigei | Hubbs, 1929 | Big Bend gambusia |
| Gambusia geiseri | Hubbs & Hubbs, 1957 | Largespring gambusia |
| Gambusia georgei | Hubbs & Peden, 1969 | San Marcos gambusia |
| Gambusia heterochir | Hubbs, 1957 | Clear Creek gambusia |
| Gambusia hispaniolae | Fink, 1971 | Hispaniolan gambusia |
| Gambusia holbrooki | Girard, 1859 | Eastern mosquitofish |
| Gambusia hurtadoi | Hubbs & Springer, 1957 | Crescent gambusia |
| Gambusia krumholzi | Minckley, 1963 | Spotfin gambusia |
| Gambusia lemaitrei | Fowler, 1950 | |
| Gambusia longispinis | Minckley, 1962 | Cuatrocienegas gambusia |
| Gambusia luma | Rosen & Bailey, 1963 | Sleek mosquitofish |
| Gambusia manni | Hubbs, 1927 | |
| Gambusia marshi | Minckley & Craddock, 1962 | Robust gambusia |
| Gambusia melapleura | (Gosse, 1851) | Striped gambusia |
| Gambusia monticola | Rivas, 1971 | |
| Gambusia myersi | Ahl, 1925 | |
| Gambusia nicaraguensis | Günther, 1866 | Nicaraguan mosquitofish |
| Gambusia nobilis | (Baird & Girard, 1853) | Pecos gambusia |
| Gambusia panuco | Hubbs, 1926 | Panuco gambusia |
| Gambusia pseudopunctata | Rivas, 1969 | Tiburon Peninsula gambusia |
| Gambusia punctata | Poey, 1854 | Cuban gambusia |
| Gambusia puncticulata | Poey, 1854 | Caribbean gambusia |
| Gambusia quadruncus | Langerhans, 2012 | |
| Gambusia regani | Hubbs, 1926 | Forlon gambusia |
| Gambusia rhizophorae | Rivas, 1969 | Mangrove gambusia |
| Gambusia senilis | Girard, 1859 | Blotched gambusia |
| Gambusia sexradiata | Hubbs, 1936 | Teardrop mosquito |
| Gambusia speciosa | Girard, 1859 | Tex-Mex gambusia |
| Gambusia vittata | Hubbs, 1926 | Gulf gambusia |
| Gambusia wrayi | Regan, 1913 | Wray's gambusia |
| Gambusia xanthosoma | Greenfield, 1983 | Cayman gambusia |
| Gambusia yucatana | Regan, 1914 | Yucatan gambusia |
| Gambusia zarskei | Meyer, Schories & Schartl, 2010 | |
| Girardinus creolus | Garman, 1895 | Creole topminnow |
| Girardinus cubensis | (Eigenmann, 1903) | Cuban topminnow |
| Girardinus denticulatus | Garman, 1895 | Toothy topminnow |
| Girardinus falcatus | (Eigenmann, 1903) | Goldbelly topminnow |
| Girardinus metallicus | Poey, 1854 | Metallic livebearer |
| Girardinus microdactylus | Rivas, 1944 | Smallfinger topminnow |
| Girardinus uninotatus | Poey, 1860 | Singlespot topminnow |
| Heterandria anzuetoi | Rosen & Bailey, 1979 | |
| Heterandria attenuata | Rosen & Bailey, 1979 | |
| Heterandria bimaculata | (Heckel, 1848) | Twospot livebearer |
| Heterandria cataractae | Rosen, 1979 | |
| Heterandria dirempta | Rosen, 1979 | |
| Heterandria formosa | Girard, 1859 | Least killifish |
| Heterandria jonesii | (Günther, 1874) | Barred killifish |
| Heterandria litoperas | Rosen & Bailey, 1979 | |
| Heterandria tuxtlaensis | McEachran & Dewitt, 2008 | Livebearing fish |
| Heterophallus milleri | Radda, 1987 | Grijalva gambusia |
| Heterophallus rachovii | Regan, 1914 | Coatzacoalcos gambusia |
| Hylopanchax leki | van der Zee, Sonnenberg & Schliewen, 2013 | |
| Hylopanchax moke | van der Zee, Sonnenberg & Schliewen, 2013 | |
| Hylopanchax ndeko | van der Zee, Sonnenberg & Schliewen, 2013 | |
| Hylopanchax paucisquamatus | Sonnenberg, Friel & Van der Zee, 2014 | |
| Hylopanchax silvestris | (Poll & Lambert, 1958) | |
| Hylopanchax stictopleuron | (Fowler, 1949) | Blue lampeye |
| Hypsopanchax catenatus | Radda, 1981 | Chain lampeye |
| Hypsopanchax jobaerti | Poll & Lambert, 1965 | |
| Hypsopanchax jubbi | Poll & Lambert, 1965 | Southern deepbody |
| Hypsopanchax platysternus | (Nichols & Griscom, 1917) | Zaire lampeye |
| Hypsopanchax stiassnyae | van der Zee, Sonnenberg & Mbimbi Mayi Munene, 2015 | |
| Hypsopanchax zebra | (Pellegrin, 1929) | Zebra lampeye |
| Laciris pelagicus | (Worthington, 1932) | |
| Lacustricola atripinna | (Pfeffer, 1896) | |
| Lacustricola bukobanus | (Ahl, 1924) | Bukoba lampeye |
| Lacustricola centralis | (Seegers, 1996) | Cental east african lampeye |
| Lacustricola jeanneli | (Pellegrin, 1935) | Omo lampeye |
| Lacustricola kassenjiensis | (Ahl, 1924) | Kasenye lampeye |
| Lacustricola katangae | (Boulenger, 1912) | Striped topminnow |
| Lacustricola kongoranensis | (Ahl, 1924) | Kongoro lampeye |
| Lacustricola lacustris | (Seegers, 1984) | Kibiti Lampeye |
| Lacustricola lualabaensis | (Poll, 1938) | Lualaba lampeye |
| Lacustricola macrurus | (Boulenger, 1904) | Big tailed lampeye |
| Lacustricola maculatus | (Klausewitz, 1957) | Spotted lampeye |
| Lacustricola matthesi | (Seegers, 1996) | Saisi lampeye |
| Lacustricola mediolateralis | (Poll, 1967) | |
| Lacustricola moeruensis | (Boulenger, 1914) | Moero lampeye |
| Lacustricola myaposae | (Boulenger, 1908) | Natal topminnow |
| Lacustricola nigrolateralis | (Poll, 1967) | |
| Lacustricola omoculatus | (Wildekamp, 1977) | Ruaha lampeye |
| Lacustricola pumilus | (Boulenger, 1906) | Tanganyika lampeye |
| Lacustricola usanguensis | (Wildekamp, 1977) | Usangu lampeye |
| Lacustricola vitschumbaensis | (Ahl, 1924) | Bitschumbi lampeye |
| Lamprichthys tanganicanus | (Boulenger, 1898) | Tanganyika killifish |
| Limia caymanensis | Rivas & Fink, 1970 | Grand Cayman limia |
| Limia dominicensis | (Valenciennes, 1846) | Tiburon Peninsula limia |
| Limia fuscomaculata | Rivas, 1980 | Blotched limia |
| Limia garnieri | Rivas, 1980 | Garnier's limia |
| Limia grossidens | Rivas, 1980 | Largetooth limia |
| Limia heterandria | Regan, 1913 | |
| Limia immaculata | Rivas, 1980 | Plain limia |
| Limia melanogaster | (Günther, 1866) | Blackbelly limia |
| Limia melanonotata | Nichols & Myers, 1923 | Blackbanded limia |
| Limia miragoanensis | Rivas, 1980 | Miragoane limia |
| Limia nigrofasciata | Regan, 1913 | Blackbarred limia |
| Limia ornata | Regan, 1913 | Ornate limia |
| Limia pauciradiata | Rivas, 1980 | Few-rayed limia |
| Limia perugiae | (Evermann & Clark, 1906) | Perugia's limia |
| Limia rivasi | Franz & Burgess, 1983 | Rivas's limia |
| Limia sulphurophila | Rivas, 1980 | Sulfur limia |
| Limia tridens | (Hilgendorf, 1889) | |
| Limia versicolor | (Günther, 1866) | Varicolored limia |
| Limia vittata | (Guichenot, 1853) | Cuban limia |
| Limia yaguajali | Rivas, 1980 | Yaguajal limia |
| Limia zonata | (Nichols, 1915) | Striped limia |
| Micropanchax antinorii | (Vinciguerra, 1883) | Black lampeye |
| Micropanchax bracheti | (Berkenkamp, 1983) | |
| Micropanchax camerunensis | (Radda, 1971) | Cameroon lampeye |
| Micropanchax ehrichi | (Berkenkamp & Etzel, 1994) | |
| Micropanchax fuelleborni | (Ahl, 1924) | Lake Rukwa lampeye |
| Micropanchax hutereaui | (Boulenger, 1913) | Meshscaled topminnow |
| Micropanchax johnstoni | (Günther, 1894) | Johnston's topminnow |
| Micropanchax keilhacki | (Ahl, 1928) | |
| Micropanchax kingii | (Boulenger, 1913) | |
| Micropanchax loati | (Boulenger, 1901) | Nile killifish |
| Micropanchax pfaffi | (Daget, 1954) | Pfaff's lampeye |
| Micropanchax rudolfianus | (Worthington, 1932) | Lake Rudolf lampeye |
| Micropanchax scheeli | (Roman, 1971) | Scheel's lampeye |
| Micropoecilia bifurca | (Eigenmann, 1909) | |
| Micropoecilia branneri | (Eigenmann, 1894) | |
| Micropoecilia minima | (Costa & Sarraf, 1997) | |
| Micropoecilia picta | (Regan, 1913) | Swamp guppies |
| Neoheterandria cana | (Meek & Hildebrand, 1913) | |
| Neoheterandria elegans | Henn, 1916 | |
| Neoheterandria tridentiger | (Garman, 1895) | |
| Pamphorichthys araguaiensis | Costa, 1991 | |
| Pamphorichthys hasemani | (Henn, 1916) | |
| Pamphorichthys hollandi | (Henn, 1916) | |
| Pamphorichthys minor | (Garman, 1895) | Mini-molly |
| Pamphorichthys pertapeh | Figueiredo, 2008 | |
| Pamphorichthys scalpridens | (Garman, 1895) | |
| Pantanodon madagascariensis | (Arnoult, 1963) | |
| Pantanodon stuhlmanni | (Ahl, 1924) | Eastcoast lampeye |
| Phallichthys amates | (Miller, 1907) | Merry widow livebearer |
| Phallichthys fairweatheri | Rosen & Bailey, 1959 | Picotee livebearer |
| Phallichthys quadripunctatus | Bussing, 1979 | |
| Phallichthys tico | Bussing, 1963 | |
| Phalloceros alessandrae | Lucinda, 2008 | |
| Phalloceros anisophallos | Lucinda, 2008 | |
| Phalloceros aspilos | Lucinda, 2008 | |
| Phalloceros buckupi | Lucinda, 2008 | |
| Phalloceros caudimaculatus | (Hensel, 1868) | Dusky millions fish |
| Phalloceros elachistos | Lucinda, 2008 | |
| Phalloceros enneaktinos | Lucinda, 2008 | |
| Phalloceros harpagos | Lucinda, 2008 | |
| Phalloceros heptaktinos | Lucinda, 2008 | |
| Phalloceros leptokeras | Lucinda, 2008 | |
| Phalloceros leticiae | Lucinda, 2008 | |
| Phalloceros lucenorum | Lucinda, 2008 | |
| Phalloceros malabarbai | Lucinda, 2008 | |
| Phalloceros megapolos | Lucinda, 2008 | |
| Phalloceros mikrommatos | Lucinda, 2008 | |
| Phalloceros ocellatus | Lucinda, 2008 | |
| Phalloceros pellos | Lucinda, 2008 | |
| Phalloceros reisi | Lucinda, 2008 | |
| Phalloceros spiloura | Lucinda, 2008 | |
| Phalloceros titthos | Lucinda, 2008 | |
| Phalloceros tupinamba | Lucinda, 2008 | |
| Phalloceros uai | Lucinda, 2008 | |
| Phalloptychus eigenmanni | Henn, 1916 | |
| Phalloptychus januarius | (Hensel, 1868) | |
| Phallotorynus dispilos | Lucinda, Rosa & Reis, 2005 | |
| Phallotorynus fasciolatus | Henn, 1916 | |
| Phallotorynus jucundus | Ihering, 1930 | |
| Phallotorynus pankalos | Lucinda, Rosa & Reis, 2005 | |
| Phallotorynus psittakos | Lucinda, Rosa & Reis, 2005 | |
| Phallotorynus victoriae | Oliveros, 1983 | |
| Plataplochilus cabindae | (Boulenger, 1911) | |
| Plataplochilus chalcopyrus | Lambert, 1963 | Flame lampeye |
| Plataplochilus loemensis | (Pellegrin, 1924) | Loeme lampeye |
| Plataplochilus miltotaenia | Lambert, 1963 | Red striped lampeye |
| Plataplochilus ngaensis | (Ahl, 1924) | Nga lampeye |
| Plataplochilus terveri | (Huber, 1981) | Terver's lampeye |
| Platypanchax modestus | (Pappenheim, 1914) | Ruwenzori lampeye |
| Poecilia boesemani | Poeser, 2003 | |
| Poecilia butleri | Jordan, 1889 | Pacific molly |
| Poecilia catemaconis | Miller, 1975 | Catemaco molly |
| Poecilia caucana | (Steindachner, 1880) | |
| Poecilia caudofasciata | (Regan, 1913) | |
| Poecilia chica | Miller, 1975 | Dwarf molly |
| Poecilia dauli | Meyer & Radda, 2000 | |
| Poecilia dominicensis | (Evermann & Clark, 1906) | |
| Poecilia elegans | (Trewavas, 1948) | Elegant molly |
| Poecilia formosa | (Girard, 1859) | Amazon molly |
| Poecilia gillii | (Kner, 1863) | |
| Poecilia hispaniolana | Rivas, 1978 | Hispaniola molly |
| Poecilia hondurensis | Poeser, 2011 | |
| Poecilia kempkesi | Poeser, 2013 | |
| Poecilia koperi | Poeser, 2003 | |
| Poecilia kykesis | Poeser, 2002 | |
| Poecilia latipinna | (Lesueur, 1821) | Sailfin molly |
| Poecilia latipunctata | Meek, 1904 | Broadspotted molly |
| Poecilia marcellinoi | Poeser, 1995 | |
| Poecilia maylandi | Meyer, 1983 | Balsas molly |
| Poecilia mechthildae | Meyer, Etzel & Bork, 2002 | |
| Poecilia mexicana | Steindachner, 1863 | Shortfin molly |
| Poecilia nicholsi | (Myers, 1931) | |
| Poecilia obscura | Schories, Meyer & Schartl, 2009 | |
| Poecilia orri | Fowler, 1943 | Mangrove molly |
| Poecilia parae | Eigenmann, 1894 | |
| Poecilia petenensis | Günther, 1866 | Peten molly |
| Poecilia reticulata | Peters, 1859 | Guppy |
| Poecilia rositae | Meyer, Schneider, Radda, Wilde & Schartl, 2004 | |
| Poecilia salvatoris | Regan, 1907 | |
| Poecilia sarrafae | Bragança & Costa, 2011 | |
| Poecilia sphenops | Valenciennes, 1846 | Molly |
| Poecilia sulphuraria | (Álvarez, 1948) | Sulphur molly |
| Poecilia teresae | Greenfield, 1990 | Mountain molly |
| Poecilia vandepolli | Van Lidth de Jeude, 1887 | |
| Poecilia velifera | (Regan, 1914) | Sail-fin molly |
| Poecilia vivipara | Bloch & Schneider, 1801 | |
| Poecilia waiapi | Bragança, Costa & Gama, 2012 | |
| Poecilia wandae | Poeser, 2003 | |
| Poecilia wingei | Poeser, Kempkes & Isbrücker, 2005 | |
| Poeciliopsis baenschi | Meyer, Radda, Riehl & Feichtinger, 1986 | Golden livebearer |
| Poeciliopsis balsas | Hubbs, 1926 | Balsas livebearer |
| Poeciliopsis catemaco | Miller, 1975 | Catemaco livebearer |
| Poeciliopsis elongata | (Günther, 1866) | Elongate toothcarp |
| Poeciliopsis fasciata | (Meek, 1904) | San Jeronimo livebearer |
| Poeciliopsis gracilis | (Heckel, 1848) | Porthole livebearer |
| Poeciliopsis hnilickai | Meyer & Vogel, 1981 | Upper Grijalva livebearer |
| Poeciliopsis infans | (Woolman, 1894) | Lerma livebearer |
| Poeciliopsis latidens | (Garman, 1895) | Lowland livebearer |
| Poeciliopsis lucida | Miller, 1960 | Clearfin livebearer |
| Poeciliopsis lutzi | (Meek, 1902) | Oaxaca livebearer |
| Poeciliopsis monacha | Miller, 1960 | Headwater livebearer |
| Poeciliopsis occidentalis | (Baird & Girard, 1853) | Gila topminnow |
| Poeciliopsis paucimaculata | Bussing, 1967 | |
| Poeciliopsis pleurospilus | (Günther, 1866) | Largespot livebearer |
| Poeciliopsis presidionis | (Jordan & Culver, 1895) | Sinaloa livebearer |
| Poeciliopsis prolifica | Miller, 1960 | Blackstripe livebearer |
| Poeciliopsis retropinna | (Regan, 1908) | |
| Poeciliopsis santaelena | Bussing, 2008 | |
| Poeciliopsis scarlli | Meyer, Riehl, Dawes & Dibble, 1985 | Michoacan livebearer |
| Poeciliopsis sonoriensis | (Girard, 1859) | Sonora topminnow |
| Poeciliopsis turneri | Miller, 1975 | Blackspotted livebearer |
| Poeciliopsis turrubarensis | (Meek, 1912) | |
| Poeciliopsis viriosa | Miller, 1960 | Chubby livebearer |
| Poropanchax brichardi | (Poll, 1971) | Brichard's lampeye |
| Poropanchax luxophthalmus | (Brüning, 1929) | |
| Poropanchax myersi | (Poll, 1952) | Hummingbird lampeye |
| Poropanchax normani | (Ahl, 1928) | Norman's lampeye |
| Poropanchax rancureli | (Daget, 1965) | Rancurel's lampeye |
| Poropanchax stigmatopygus | Wildekamp & Malumbres, 2004 | |
| Priapella bonita | (Meek, 1904) | Graceful priapella |
| Priapella chamulae | Schartl, Meyer & Wilde, 2006 | |
| Priapella compressa | Álvarez, 1948 | Palenque priapella |
| Priapella intermedia | Álvarez & Carranza, 1952 | Isthmian priapella |
| Priapella lacandonae | Meyer, Schories & Schartl, 2011 | |
| Priapella olmecae | Meyer & Espinosa Pérez, 1990 | Olmec priapella |
| Priapichthys annectens | (Regan, 1907) | |
| Priapichthys caliensis | (Eigenmann & Henn, 1916) | |
| Priapichthys chocoensis | (Henn, 1916) | |
| Priapichthys darienensis | (Meek & Hildebrand, 1913) | |
| Priapichthys nigroventralis | (Eigenmann & Henn, 1912) | |
| Priapichthys panamensis | Meek & Hildebrand, 1916 | |
| Priapichthys puetzi | Meyer & Etzel, 1996 | |
| Procatopus aberrans | Ahl, 1927 | Bluegreen lampeye |
| Procatopus nototaenia | Boulenger, 1904 | Large finned lampeye |
| Procatopus similis | Ahl, 1927 | Variable lampeye |
| Pseudopoecilia austrocolumbiana | Radda, 1987 | |
| Pseudopoecilia festae | (Boulenger, 1898) | |
| Pseudopoecilia fria | (Eigenmann & Henn, 1914) | |
| Pseudoxiphophorus obliquus | (Rosen, 1979) | |
| Quintana atrizona | Hubbs, 1934 | Barred topminnow |
| Rhexipanchax kabae | (Daget, 1962) | |
| Rhexipanchax lamberti | (Daget, 1962) | Lambert's lampeye |
| Rhexipanchax nimbaensis | (Daget, 1948) | Mt. Nimba lampeye |
| Rhexipanchax schioetzi | (Scheel, 1968) | Schiötz' lampeye |
| Scolichthys greenwayi | Rosen, 1967 | |
| Scolichthys iota | Rosen, 1967 | |
| Tomeurus gracilis | Eigenmann, 1909 | |
| Xenodexia ctenolepis | Hubbs, 1950 | Grijalva studfish |
| Xenophallus umbratilis | (Meek, 1912) | |
| Xiphophorus alvarezi | Rosen, 1960 | Chiapas swordtail |
| Xiphophorus andersi | Meyer & Schartl, 1980 | Spiketail platyfish |
| Xiphophorus birchmanni | Lechner & Radda, 1987 | Sheepshead swordtail |
| Xiphophorus clemenciae | Álvarez, 1959 | Yellow swordtail |
| Xiphophorus continens | Rauchenberger, Kallman & Morizot, 1990 | Short-sword platyfish |
| Xiphophorus cortezi | Rosen, 1960 | Delicate swordtail |
| Xiphophorus couchianus | (Girard, 1859) | Monterrey platyfish |
| Xiphophorus evelynae | Rosen, 1960 | Puebla platyfish |
| Xiphophorus gordoni | Miller & Minckley, 1963 | Northern platyfish |
| Xiphophorus hellerii | Heckel, 1848 | Green swordtail |
| Xiphophorus kallmani | Meyer & Schartl, 2003 | |
| Xiphophorus kosszanderi | Meyer & Wischnath, 1981 | |
| Xiphophorus maculatus | (Günther, 1866) | Southern platyfish |
| Xiphophorus malinche | Rauchenberger, Kallman & Morizot, 1990 | Highland swordtail |
| Xiphophorus mayae | Meyer & Schartl, 2002 | |
| Xiphophorus meyeri | Schartl & Schröder, 1988 | Marbled swordtail |
| Xiphophorus milleri | Rosen, 1960 | Catemaco platyfish |
| Xiphophorus mixei | Kallman, Walter, Morizot & Kazianis, 2004 | Mixe swordtail |
| Xiphophorus montezumae | Jordan & Snyder, 1899 | Montezuma swordtail |
| Xiphophorus monticolus | Kallman, Walter, Morizot & Kazianis, 2004 | Southern mountain swordtail |
| Xiphophorus multilineatus | Rauchenberger, Kallman & Morizot, 1990 | |
| Xiphophorus nezahualcoyotl | Rauchenberger, Kallman & Morizot, 1990 | Mountain swordatail |
| Xiphophorus nigrensis | Rosen, 1960 | Panuco swordtail |
| Xiphophorus pygmaeus | Hubbs & Gordon, 1943 | Pygmy swordtail |
| Xiphophorus roseni | Meyer & Wischnath, 1981 | |
| Xiphophorus signum | Rosen & Kallman, 1969 | |
| Xiphophorus variatus | (Meek, 1904) | Variable platyfish |
| Xiphophorus xiphidium | (Gordon, 1932) | Swordtail platyfish |