| Scientific Name | TSN | Taxon Author | Common Name | Name Source | Usage | Reason (ITIS) | Taxon Rank |
|---|
| Gambusia affinis | 165878 | (Baird and Girard, 1853) | mosquitofish western mosquitofish guayacón mosquito | ITIS | valid | | Species |
| Gambusia affinis affinis | 165880 | (Baird and Girard, 1853) | | ITIS | invalid | subsequent name/combination of Gambusia affinis | Subspecies |
| Gambusia affinis speciosa | 165881 | Girard, 1859 | | ITIS | invalid | subsequent name/combination of Gambusia speciosa | Subspecies |
| Gambusia alvarezi | 647289 | Hubbs and Springer, 1957 | guayacón de San Gregorio yellowfin gambusia | ITIS | valid | | Species |
| Gambusia amistadensis | 165883 | Peden, 1973 | Amistad gambusia | ITIS | valid | | Species |
| Gambusia atrora | 647290 | Rosen and Bailey, 1963 | blackfin gambusia guayacón de San Luis | ITIS | valid | | Species |
| Gambusia aurata | 647291 | Miller and Minckley, 1970 | golden gambusia guayacón dorado | ITIS | valid | | Species |
| Gambusia beebei | 647292 | Myers, 1935 | | ITIS | valid | | Species |
| Gambusia bucheri | 647293 | Rivas, 1944 | | ITIS | valid | | Species |
| Gambusia caymanensis | 647294 | Regan, 1913 | | ITIS | valid | | Species |
| Gambusia clarkhubbsi | 647295 | Garrett and Edwards, 2003 | | ITIS | valid | | Species |
| Gambusia dominicensis | 165890 | Regan, 1913 | domingo gambusia domingo gambusia | ITIS | valid | | Species |
| Gambusia echeagarayi | 647296 | (Alvarez, 1952) | | ITIS | valid | | Species |
| Gambusia eurystoma | 647297 | Miller, 1975 | guayacón del Azufre widemouth gambusia | ITIS | valid | | Species |
| Gambusia gaigei | 165884 | Hubbs, 1929 | Big Bend gambusia | ITIS | valid | | Species |
| Gambusia geiseri | 165885 | Hubbs and Hubbs in Hubbs and Springer, 1957 | largespring gambusia | ITIS | valid | | Species |
| Gambusia georgei | 165886 | Hubbs and Peden, 1969 | San Marcos gambusia | ITIS | valid | | Species |
| Gambusia heterochir | 165887 | Hubbs, 1957 | Clear Creek gambusia | ITIS | valid | | Species |
| Gambusia hispaniolae | 647298 | Fink, 1971 | | ITIS | valid | | Species |
| Gambusia holbrooki | 165896 | Girard, 1859 | eastern mosquitofish | ITIS | invalid | junior synonym of Gambusia affinis | Species |
| Gambusia hurtadoi | 647299 | Hubbs and Springer, 1957 | crescent gambusia guayacón de Hacienda de Dolores | ITIS | valid | | Species |
| Gambusia krumholzi | 647300 | Minckley, 1963 | guayacón del Nava spotfin gambusia | ITIS | valid | | Species |
| Gambusia lemaitrei | 647301 | Fowler, 1950 | | ITIS | valid | | Species |
| Gambusia longispinis | 647302 | Minckley, 1962 | Cuatro Cienegas gambusia guayacón de Cuatro Ciénegas | ITIS | valid | | Species |
| Gambusia luma | 647303 | Rosen and Bailey, 1963 | | ITIS | valid | | Species |
| Gambusia manni | 165891 | Hubbs, 1927 | bahama gambusia Bahama gambusia | ITIS | valid | | Species |
| Gambusia marshi | 647304 | Minckley and Craddock in Minckley, 1962 | guayacón de Nadadores robust gambusia | ITIS | valid | | Species |
| Gambusia melapleura | 647305 | (Gosse, 1851) | | ITIS | valid | | Species |
| Gambusia micaraguensis | 165892 | Gunther, 1866 | Nicaragua gambusia | ITIS | invalid | unavailable, literature misspelling of Gambusia nicaraguensis | Species |
| Gambusia monticola | 647306 | Rivas, 1971 | | ITIS | valid | | Species |
| Gambusia myersi | 647307 | Ahl, 1925 | | ITIS | valid | | Species |
| Gambusia nicaraguensis | 646991 | Günther, 1866 | Nicaraguan mosquitofish | ITIS | valid | | Species |
| Gambusia nobilis | 165888 | (Baird and Girard, 1853) | Pecos gambusia | ITIS | valid | | Species |
| Gambusia panuco | 647308 | Hubbs, 1926 | guayacón del Pánuco Panuco gambusia | ITIS | valid | | Species |
| Gambusia patruelis | 165879 | (Baird and Girard, 1854) | | ITIS | invalid | junior synonym of Gambusia affinis | Species |
| Gambusia pseudopunctata | 647309 | Rivas, 1969 | | ITIS | valid | | Species |
| Gambusia punctata | 165893 | Poey, 1854 | blue gambusia spotted gambusia blue gambusia Cuban gambusia gambusia cubana spotted gambusia | ITIS | valid | | Species |
| Gambusia puncticulata | 646899 | Poey, 1854 | Caribbean gambusia gambusia caribeña | ITIS | valid | | Species |
| Gambusia rachowi | 646919 | (Regan, 1914) | | ITIS | valid | | Species |
| Gambusia regani | 647310 | Hubbs, 1926 | Forlon gambusia guayacón del Forlón | ITIS | valid | | Species |
| Gambusia rhizophorae | 165882 | Rivas, 1969 | mangrove gambusia | ITIS | valid | | Species |
| Gambusia senilis | 165889 | Girard, 1859 | blotched gambusia guayacón del Bravo | ITIS | valid | | Species |
| Gambusia sexradiata | 647311 | Hubbs, 1936 | guayacón del sureste stippled gambusia | ITIS | valid | | Species |
| Gambusia speciosa | 201977 | Girard, 1859 | southwestern mosquitofish guayacón de Nuevo León Tex-Mex gambusia | ITIS | valid | | Species |
| Gambusia vittata | 165947 | Hubbs, 1926 | guayacón de Victoria Gulf gambusia | ITIS | valid | | Species |
| Gambusia wrayi | 165895 | Regan, 1913 | jamaica gambusia Jamaica gambusia | ITIS | valid | | Species |
| Gambusia xanthosoma | 647312 | Greenfield, 1983 | | ITIS | valid | | Species |
| Gambusia yucatana | 165894 | Regan, 1914 | yucatan gambusia guayacón yucateco Yucatan gambusia | ITIS | valid | | Species |
| Heterophallus rachovii | 165961 | Regan, 1914 | rachow's livebearer Coatzacoalcos gambusia guayacón jarocho rachow's livebearer | ITIS | invalid | other, see comments of Gambusia rachowi | Species |
