Livebearers
| Scientific Name | Common Names | Synonyms | Family | |
| Anableps anableps | Anableps Four-Eyed Fish Largescale Foureyes | Anableps gronovii Anableps lineatus Anableps surinamensis Anableps tetrophthalmus Cobitis anableps | Anablepidae | |
| Ataeniobius toweri | Blue Tailed Goodea Blue Tailed Goodeid | Goodea toweri | Goodeidae | |
| Chapalichthys pardalis | Polka-Dot Livebearer Polka-Dot Split Fin | Goodeidae | ||
 | Dermogenys pusilla | Malayan Halfbeak Wrestling Halfbeak | Dermogenys burmanicus Dermogenys pusillus Dermogenys siamensis | Hemiramphidae |
 | Gambusia affinis | Gambusia Mosquito Fish | Fundulus inurus Gambusia affinis affinis Gambusia affinis katruelis Gambusia gracilis Gambusia humilis Gambusia patruelis Haplochilus melanops Heterandria affinis Heterandria patruelis Zygonectes brachypterus Zygonectes gracilis Zygonectes inurus Zygonectes patruelis | Poeciliidae |
 | Gambusia holbrooki | Eastern Mosquitofish | Gambusia affinis holbrocki Gambusia affinis holbrooki Gambusia holbrookii Gambusia patruelis holbrooki Heterandria holbrooki Heterandria uninotata Schizophallus holbrooki Zygonectes atrilatus | Poeciliidae |
 | Heterandria formosa | Formosa Livebearer Least Killifish | Poeciliidae | |
| Ilyodon furcidens | Bass goodeid Goldbreasted goodied Goldbreasted splitfin | Characodon furcidens Ilyodon xantusi | Goodeidae | |
| Phalloceros caudimaculatus | Dusky Millions Fish | Girardinus caudimaculatus Phalloceros caudomaculatus | Poeciliidae | |
 | Poecilia latipinna | Sailfin Molly | Limia matamorensis Limia poecioides Mollienesia latipinna Mollienisia latipinna Poecilia latipinna Poecilia lineolata Poecilia multilineata | Poeciliidae |
 | Poecilia reticulata | Guppy Millions Fish | Acanthophacelus reticulatus Girardinus guppii Girardinus reticulatus Haridichthys reticulatus Heterandria guppii Lebistes poeciliodes Lebistes poecilioides Lebistes reticulatus Poecilia reticulatus Poecilioides reticulatus | Poeciliidae |
 | Poecilia sphenops | Molly Sphenops Molly | Gambusia modesta Gambusia plumbea Lembesseia parvianalis Mollienesia altissima Mollienesia gracilis Mollienesia macrura Mollienesia pallida Mollienesia sphenops altissima Mollienesia sphenops macrura Mollienesia sphenops pallida Mollienesia sphenops vantynei Mollienesia vantynei Mollienisia sphenops Platypoecilus mentalis Platypoecilus nelsoni Platypoecilus tropicus Poecilia boucardii Poecilia caudata Poecilia chisoyensis Poecilia dovii Poecilia spilonata Poecilia spilurus Poecilia tenuis Poecilia thermalis Poecilia vandepolli arubensis Poecilia vetiprovidentiae | Poeciliidae |
 | Poecilia velifera | Sailfin Molly Yuctan Sail-Fin Molly | Mollienesia velifera | Poeciliidae |
 | Poecilia wingei | Endler's Livebearer | Poeciliidae | |
| Skiffia multipunctata | Plettet Skiffia Spotted Sawfin Spotted Skiffia | Goodea multipunctata Ollentodon multipunctatus Xenendum multipunctatum | Goodeidae | |
 | Xenotoca eiseni | Red Tail Goodeid Red Tail Splitfin | Characodon eiseni | Goodeidane |
| Xiphophorus montezumae | Mexican Swordtail Montezuma Swordtail | Poeciliidae | ||
 | Xiphophorus hellerii | Swordtail | Poecilia helleri Xiphophorus brevis Xiphophorus guentheri Xiphophorus guntheri Xiphophorus helleri Xiphophorus helleri brevis Xiphophorus helleri helleri Xiphophorus helleri strigatus Xiphophorus hellerii guentheri Xiphophorus jalapae Xiphophorus rachovii Xiphophorus strigatus | Poeciliidae |
 | Xiphophorus maculatus | Common Platy Platy Southern Platyfish | Platypoecilus aurata Platypoecilus cyanellus Platypoecilus maculatus Platypoecilus maculatus aurata Platypoecilus maculatus cyanellus Platypoecilus maculatus sanguinea Platypoecilus nigra Platypoecilus pulchra Platypoecilus rubra Platypoecilus sanguinea Poecilia maculata Poecilia maculatus | Poeciliidae |
| Xiphophorus multilineatus | Pigmy Sword Tail | Poeciliidae | ||
| Xiphophorus nezahualcoyotl | Montezuma Swordtail Nezzy Swordtail Spotted Swordtail | Xiphophorus montezumae | Poeciliidae | |
| Xiphophorus variatus | Parrot Platy Variatus Platy Variegated Platy | Platypoecilus maculatus dorsalis Platypoecilus variatus Platypoecilus variegatus | Poeciliidae |