| Scientific Name | Author | English Name |
|---|---|---|
| Acanthocharax microlepis | Eigenmann, 1912 | |
| Acestrocephalus acutus | Menezes, 2006 | |
| Acestrocephalus anomalus | (Steindachner, 1880) | |
| Acestrocephalus boehlkei | Menezes, 1977 | |
| Acestrocephalus maculosus | Menezes, 2006 | |
| Acestrocephalus nigrifasciatus | Menezes, 2006 | |
| Acestrocephalus pallidus | Menezes, 2006 | |
| Acestrocephalus sardina | (Fowler, 1913) | |
| Acestrocephalus stigmatus | Menezes, 2006 | |
| Acinocheirodon melanogramma | Malabarba & Weitzman, 1999 | |
| Acrobrycon ipanquianus | (Cope, 1877) | |
| Acrobrycon ortii | Arcila, Vari & Menezes, 2014 | |
| Acrobrycon starnesi | Arcila, Vari & Menezes, 2014 | |
| Amazonichthys camelierae | Esguícero & Mendonça, 2023 | |
| Amazonichthys lindeae | (Géry, 1973) | |
| Amazonspinther dalmata | Bührnheim, Carvalho, Malabarba & Weitzman, 2008 | |
| Andromakhe latens | (Mirande, Aguilera & Azpelicueta, 2004) | |
| Andromakhe paris | (Azpelicueta, Almirón & Casciotta, 2002) | |
| Andromakhe saguazu | (Casciotta, Almirón & Azpelicueta, 2003) | |
| Andromakhe stenohalina | (Messner, 1962) | |
| Andromakhe tupi | (Azpelicueta, Mirande, Almirón & Casciotta, 2003) | |
| Aphyocharacidium bolivianum | Géry, 1973 | |
| Aphyocharacidium melandetum | (Eigenmann, 1912) | |
| Aphyocharax agassizii | (Steindachner, 1882) | |
| Aphyocharax alburnus | (Günther, 1869) | Goldencrown tetra |
| Aphyocharax anisitsi | Eigenmann & Kennedy, 1903 | Bloodfin tetra |
| Aphyocharax colifax | Taphorn & Thomerson, 1991 | |
| Aphyocharax dentatus | Eigenmann & Kennedy, 1903 | |
| Aphyocharax erythrurus | Eigenmann, 1912 | Flametail tetra |
| Aphyocharax gracilis | Fowler, 1940 | |
| Aphyocharax nattereri | (Steindachner, 1882) | |
| Aphyocharax pusillus | Günther, 1868 | |
| Aphyocharax rathbuni | Eigenmann, 1907 | Redflank bloodfin |
| Aphyocharax yekwanae | Willink, Chernoff & Machado-Allison, 2003 | |
| Aphyocheirodon hemigrammus | Eigenmann, 1915 | |
| Aphyodite apiaka | Esguícero & Castro, 2017 | |
| Aphyodite grammica | Eigenmann, 1912 | |
| Aphyodite tupebas | Esguícero & Castro, 2017 | |
| Argopleura chocoensis | (Eigenmann, 1913) | |
| Argopleura conventus | (Eigenmann, 1913) | |
| Argopleura diquensis | (Eigenmann, 1913) | |
| Argopleura magdalenensis | (Eigenmann, 1913) | |
| Astyanax abramis | (Jenyns, 1842) | |
| Astyanax acatlanensis | Schmitter-Soto, 2017 | |
| Astyanax aeneus | (Günther, 1860) | Banded tetra |
| Astyanax altior | Hubbs, 1936 | Yucatan tetra |
| Astyanax altiparanae | Garutti & Britski, 2000 | |
| Astyanax anai | Angulo, Santos, López, Langeani & McMahan, 2018 | |
| Astyanax angustifrons | (Regan, 1908) | |
| Astyanax aramburui | Protogino, Miquelarena & López, 2006 | |
| Astyanax argentatus | Baird & Girard, 1854 | Texan tetra |
| Astyanax argyrimarginatus | Garutti, 1999 | |
| Astyanax asuncionensis | Géry, 1972 | |
| Astyanax atratoensis | Eigenmann, 1907 | |
| Astyanax aurocaudatus | Eigenmann, 1913 | |
| Astyanax bacalarensis | Schmitter-Soto, 2017 | |
| Astyanax bagual | Bertaco & Vigo, 2015 | |
| Astyanax baileyi | (Rosen, 1972) | |
| Astyanax belizianus | (Bocourt, 1868) | Belizean tetra |
| Astyanax bimaculatus | (Linnaeus, 1758) | Twospot astyanax |
| Astyanax biotae | Castro & Vari, 2004 | |
| Astyanax boliviensis | Ruiz-C., Román-Valencia, Taphorn, Buckup & Ortega, 2018 | |
| Astyanax bourgeti | Eigenmann, 1908 | |
| Astyanax brachypterygium | Bertaco & Malabarba, 2001 | |
| Astyanax bransfordii | (Gill, 1877) | |
| Astyanax brevimanus | (Günther, 1864) | Quiché tetra |
| Astyanax brevirhinus | Eigenmann, 1908 | |
| Astyanax brucutu | Zanata, Lima, Di Dario & Gerhard, 2017 | |
| Astyanax caballeroi | (Contreras-Balderas & Rivera-Teillery, 1985) | Catemaco characin |
| Astyanax caucanus | (Steindachner, 1879) | |
| Astyanax chaparae | Fowler, 1943 | |
| Astyanax clavitaeniatus | Garutti, 2003 | |
| Astyanax cocibolca | Bussing, 2008 | |
| Astyanax cordovae | (Günther, 1880) | |
| Astyanax courensis | Bertaco, Carvalho & Jerep, 2010 | |
| Astyanax cremnobates | Bertaco & Malabarba, 2001 | |
| Astyanax cubilhuitz | Schmitter-Soto, 2017 | |
| Astyanax depressirostris | Miranda Ribeiro, 1908 | |
| Astyanax dissimilis | Garavello & Sampaio, 2010 | |
| Astyanax dnophos | Lima & Zuanon, 2004 | |
| Astyanax dorioni | (Rosen, 1970) | |
| Astyanax douradilho | Bertaco, 2014 | |
| Astyanax elachylepis | Bertaco & Lucinda, 2005 | |
| Astyanax embera | Ruiz-C., Román-Valencia, Taphorn, Buckup & Ortega, 2018 | |
| Astyanax epiagos | Zanata & Camelier, 2008 | |
| Astyanax eremus | Ingenito & Duboc, 2014 | |
| Astyanax fasslii | (Steindachner, 1915) | |
| Astyanax filiferus | (Eigenmann, 1913) | |
| Astyanax finitimus | (Bocourt, 1868) | Veracruz tetra |
| Astyanax gandhiae | Ruiz-C., Román-Valencia, Taphorn, Buckup & Ortega, 2018 | |
| Astyanax gisleni | Dahl, 1943 | |
| Astyanax goyacensis | Eigenmann, 1908 | |
| Astyanax goyanensis | (Miranda Ribeiro, 1944) | |
| Astyanax gracilior | Eigenmann, 1908 | |
| Astyanax guaricana | Oliveira, Abilhoa & Pavanelli, 2013 | |
| Astyanax henseli | de Melo & Buckup, 2006 | |
| Astyanax integer | Myers, 1930 | |
| Astyanax jacobinae | Zanata & Camelier, 2008 | Piaba |
| Astyanax jacuhiensis | (Cope, 1894) | |
| Astyanax jenynsii | (Steindachner, 1877) | |
| Astyanax joaovitori | Oliveira, Pavanelli & Bertaco, 2017 | |
| Astyanax jordanensis | Vera Alcaraz, Pavanelli & Bertaco, 2009 | |
| Astyanax jordani | (Hubbs & Innes, 1936) | |
| Astyanax kennedyi | Géry, 1964 | |
| Astyanax keronolepis | Silva, Malabarba & Malabarba, 2019 | |
| Astyanax kompi | Hildebrand, 1938 | |
| Astyanax kullanderi | Costa, 1995 | |
| Astyanax lacustris | (Lütken, 1875) | |
| Astyanax laticeps | (Cope, 1894) | |
| Astyanax leopoldi | Géry, Planquette & Le Bail, 1988 | |
| Astyanax lineatus | (Perugia, 1891) | |
| Astyanax longior | (Cope, 1878) | |
| Astyanax longirhinus | Garavello & Sampaio, 2010 | |
| Astyanax lorien | Zanata, Burger & Camelier, 2018 | |
| Astyanax macal | Schmitter-Soto, 2017 | |
| Astyanax maculisquamis | Garutti & Britski, 1997 | |
| Astyanax magdalenae | Eigenmann & Henn, 1916 | |
| Astyanax maximus | (Steindachner, 1876) | |
| Astyanax megaspilura | Fowler, 1944 | |
| Astyanax mexicanus | (De Filippi, 1853) | Mexican tetra |
| Astyanax microlepis | Eigenmann, 1913 | |
| Astyanax microschemos | Bertaco & Lucena, 2006 | |
| Astyanax minor | Garavello & Sampaio, 2010 | |
| Astyanax moorii | (Boulenger, 1892) | |
| Astyanax multidens | (Pearson, 1924) | |
| Astyanax myersi | (Fernández-Yépez, 1950) | |
| Astyanax nasutus | Meek, 1907 | |
| Astyanax nicaraguensis | Eigenmann & Ogle, 1907 | |
| Astyanax nobre | Dagosta & Marinho, 2022 | |
| Astyanax novae | Eigenmann, 1911 | |
| Astyanax obscurus | (Hensel, 1870) | |
| Astyanax ocotal | Valdez-Moreno, Rodiles-Hernández & Schmitter-Soto, 2017 | |
| Astyanax orbignyanus | (Valenciennes, 1850) | |
| Astyanax orstedii | (Lütken, 1875) | Costa Rican tetra |
| Astyanax orthodus | Eigenmann, 1907 | |
| Astyanax panamensis | (Günther, 1864) | Panamanian tetra |
| Astyanax paraguayensis | (Fowler, 1918) | |
| Astyanax paranahybae | Eigenmann, 1911 | |
| Astyanax pardensis | Salgado, 2021 | |
| Astyanax pedri | (Eigenmann, 1908) | |
| Astyanax petenensis | (Günther, 1864) | Petén tetra |
| Astyanax pirabitira | Lucena, Bertaco & Berbigier, 2013 | |
| Astyanax pirapuan | Tagliacollo, Britzke, Silva & Benine, 2011 | |
| Astyanax poetzschkei | Ahl, 1932 | |
| Astyanax procerus | Lucena, Castro & Bertaco, 2013 | |
| Astyanax rioverde | Lozano-Vilano & Schmitter-Soto, 2017 | |
| Astyanax robustus | Meek, 1912 | |
| Astyanax ruberrimus | Eigenmann, 1913 | |
| Astyanax rupestris | Zanata, Burger & Camelier, 2018 | |
| Astyanax rupununi | Fowler, 1914 | |
| Astyanax saltor | Travassos, 1960 | |
| Astyanax salvatoris | Valdez-Moreno, Lozano-Vilano & Schmitter-Soto, 2017 | |
| Astyanax scabripinnis | (Jenyns, 1842) | |
| Astyanax scintillans | Myers, 1928 | |
| Astyanax serratus | Garavello & Sampaio, 2010 | |
| Astyanax siapae | Garutti, 2003 | |
| Astyanax sincora | Burger, Carvalho & Zanata, 2019 | |
| Astyanax stilbe | (Cope, 1870) | |
| Astyanax superbus | Myers, 1942 | |
| Astyanax symmetricus | Eigenmann, 1908 | |
| Astyanax tamiahua | Schmitter-Soto, 2017 | |
| Astyanax tehuacanensis | Schmitter-Soto, 2017 | |
| Astyanax totae | Ferreira Haluch & Abilhoa, 2005 | |
| Astyanax trierythropterus | Godoy, 1970 | |
| Astyanax turmalinensis | Triques, Vono & Caiafa, 2003 | |
| Astyanax unitaeniatus | Garutti, 1998 | |
| Astyanax utiariti | Bertaco & Garutti, 2007 | |
| Astyanax validus | Géry, Planquette & Le Bail, 1991 | |
| Astyanax varii | Zanata, Burger, Vita & Camelier, 2019 | |
| Astyanax varzeae | Abilhoa & Duboc, 2007 | |
| Astyanax venezuelae | Schultz, 1944 | |
| Astyanax vermilion | Zanata & Camelier, 2009 | |
| Astyanax villwocki | Zarske & Géry, 1999 | |
| Astyanax yariguies | (Torres-Mejia, Hernández & Senechal, 2012) | |
| Atopomesus pachyodus | Myers, 1927 | |
| Attonitus bounites | Vari & Ortega, 2000 | |
| Attonitus ephimeros | Vari & Ortega, 2000 | |
| Attonitus irisae | Vari & Ortega, 2000 | |
| Aulixidens eugeniae | Böhlke, 1952 | |
| Axelrodia riesei | Géry, 1966 | Ruby tetra |
| Axelrodia stigmatias | (Fowler, 1913) | |
| Bario steindachneri | (Eigenmann, 1893) | |
| Boehlkea fredcochui | Géry, 1966 | Cochu's blue tetra |
| Boehlkea weitzmani | Soares, Bertaco, Ito & Zuanon, 2017 | |
| Brachychalcinus copei | (Steindachner, 1882) | |
| Brachychalcinus nummus | Böhlke, 1958 | |
| Brachychalcinus orbicularis | (Valenciennes, 1850) | Discus tetra |
| Brachychalcinus parnaibae | Reis, 1989 | |
| Brachychalcinus reisi | Garcia-Ayala, Ohara, Pastana & Benine, 2017 | |
| Brachychalcinus retrospina | Boulenger, 1892 | |
| Bryconamericus cristiani | Román-Valencia, 1999 | |
| Bryconamericus dahli | Román-Valencia, 2000 | |
| Bryconamericus deuterodonoides | Eigenmann, 1914 | |
| Bryconamericus diaphanus | (Cope, 1878) | |
| Bryconamericus ecai | da Silva, 2004 | |
| Bryconamericus ecuadorensis | Román-Valencia, Ruiz-C., Taphorn B., Jiménez-Prado & García-Alzate, 2015 | |
| Bryconamericus eigenmanni | (Evermann & Kendall, 1906) | |
| Bryconamericus emperador | (Eigenmann & Ogle, 1907) | |
| Bryconamericus exodon | Eigenmann, 1907 | |
| Bryconamericus foncensis | Román-Valencia, Vanegas-Ríos & Ruiz-C., 2009 | |
| Bryconamericus galvisi | Román-Valencia, 2000 | |
| Bryconamericus gonzalezi | Román-Valencia, 2002 | |
| Bryconamericus grosvenori | Eigenmann, 1927 | |
| Bryconamericus guaytarae | Eigenmann & Henn, 1914 | |
| Bryconamericus guizae | Román-Valencia, 2003 | |
| Bryconamericus guyanensis | Zarske, Le Bail & Géry, 2010 | |
| Bryconamericus huilae | Román-Valencia, 2003 | |
| Bryconamericus hyphesson | Eigenmann, 1909 | |
| Bryconamericus icelus | Dahl, 1964 | |
| Bryconamericus ichoensis | Román-Valencia, 2000 | |
| Bryconamericus iheringii | (Boulenger, 1887) | |
| Bryconamericus ikaa | Casciotta, Almirón & Azpelicueta, 2004 | |
| Bryconamericus indefessus | (Mirande, Aguilera & Azpelicueta, 2004) | |
| Bryconamericus lambari | Malabarba & Kindel, 1995 | |
| Bryconamericus lassorum | Román-Valencia, 2002 | |
| Bryconamericus loisae | Géry, 1964 | |
| Bryconamericus macarenae | Román-Valencia, García-Alzate, Ruiz-C. & Taphorn, 2010 | |
| Bryconamericus macrophthalmus | Román-Valencia, 2003 | |
| Bryconamericus megalepis | Fowler, 1941 | |
| Bryconamericus mennii | Miquelarena, Protogino, Filiberto & López, 2002 | |
| Bryconamericus microcephalus | (Miranda Ribeiro, 1908) | |
| Bryconamericus miraensis | Fowler, 1945 | |
| Bryconamericus motatanensis | Schultz, 1944 | |
| Bryconamericus multiradiatus | Dahl, 1960 | |
| Bryconamericus novae | Eigenmann & Henn, 1914 | |
| Bryconamericus orinocoensis | Román-Valencia, 2003 | |
| Bryconamericus ornaticeps | Bizerril & Perez-Neto, 1995 | |
| Bryconamericus oroensis | Román-Valencia, Ruiz-C., Taphorn & García-A., 2013 | |
| Bryconamericus osgoodi | Eigenmann & Allen, 1942 | |
| Bryconamericus pachacuti | Eigenmann, 1927 | |
| Bryconamericus patriciae | da Silva, 2004 | |
| Bryconamericus pectinatus | Vari & Siebert, 1990 | |
| Bryconamericus peruanus | (Müller & Troschel, 1845) | |
| Bryconamericus phoenicopterus | (Cope, 1872) | |
| Bryconamericus pinnavittatus | Dagosta & Netto-Ferreira, 2015 | |
| Bryconamericus plutarcoi | Román-Valencia, 2001 | |
| Bryconamericus poi | (Almirón, Casciotta, Azpelicueta & Cione, 2001) | |
| Bryconamericus pyahu | Azpelicueta, Casciotta & Almirón, 2003 | |
| Bryconamericus rubropictus | (Berg, 1901) | |
| Bryconamericus scleroparius | (Regan, 1908) | |
| Bryconamericus simus | (Boulenger, 1898) | |
| Bryconamericus singularis | Román-Valencia, Taphorn & Ruiz-C., 2008 | |
| Bryconamericus stramineus | Eigenmann, 1908 | |
| Bryconamericus subtilisform | Román-Valencia, 2003 | |
| Bryconamericus sylvicola | Braga, 1998 | |
| Bryconamericus tenuis | Bizerril & Auraujo, 1992 | |
| Brittanichthys axelrodi | Géry, 1965 | |
| Brittanichthys myersi | Géry, 1965 | |
| Bryconacidnus ellisae | (Pearson, 1924) | |
| Bryconacidnus hemigrammus | (Pearson, 1924) | |
| Bryconacidnus paipayensis | (Pearson, 1929) | |
| Bryconadenos tanaothoros | Weitzman, Menezes, Evers & Burns, 2005 | |
| Bryconadenos weitzmani | Menezes, Netto-Ferreira & Ferreira, 2009 | |
| Bryconamericus agna | Azpelicueta & Almirón, 2001 | |
| Bryconamericus alfredae | Eigenmann, 1927 | |
| Bryconamericus alpha | Eigenmann, 1914 | |
| Bryconamericus andresoi | Román-Valencia, 2003 | |
| Bryconamericus arilepis | Román-Valencia, Vanegas-Ríos & Ruiz-C., 2008 | |
| Bryconamericus bolivianus | Pearson, 1924 | |
| Bryconamericus brevirostris | (Günther, 1860) | |
| Bryconamericus bucayensis | Román-Valencia, Ruiz-C., Taphorn & García-A., 2013 | |
| Bryconamericus caldasi | Román-Valencia, Ruiz-C., Taphorn B. & García-Alzate, 2014 | |
| Bryconamericus carlosi | Román-Valencia, 2003 | |
| Bryconamericus caucanus | Eigenmann, 1913 | |
| Bryconamericus charalae | Román-Valencia, 2005 | |
| Bryconamericus cinarucoense | Román-Valencia, Taphorn & Ruiz-C., 2008 | |
| Bryconamericus cismontanus | Eigenmann, 1914 | |
| Bryconamericus coeruleus | Jerep & Shibatta, 2017 | |
| Bryconamericus ternetzi | Myers, 1928 | |
| Bryconamericus terrabensis | Meek, 1914 | |
| Bryconamericus thomasi | Fowler, 1940 | |
| Bryconamericus tolimae | Eigenmann, 1913 | |
| Bryconamericus turiuba | Langeani, Lucena, Pedrini & Tarelho-Pereira, 2005 | |
| Bryconamericus uporas | Casciotta, Azpelicueta & Almirón, 2002 | |
| Bryconamericus yokiae | Román-Valencia, 2003 | |
| Bryconamericus ytu | Almirón, Azpelicueta & Casciotta, 2004 | |
| Bryconamericus zamorensis | Román-Valencia, Ruiz-C., Taphorn B. & García-A., 2013 | |
| Bryconamericus zeteki | Hildebrand, 1938 | |
| Bryconella pallidifrons | (Fowler, 1946) | |
| Bryconexodon juruenae | Géry, 1980 | |
| Bryconexodon trombetasi | Jégu, Santos & Ferreira, 1991 | |
| Caiapobrycon tucurui | Malabarba & Vari, 2000 | |
| Carlana eigenmanni | (Meek, 1912) | |
| Ceratobranchia binghami | Eigenmann, 1927 | |
| Ceratobranchia delotaenia | Chernoff & Machado-Allison, 1990 | |
| Ceratobranchia elatior | Tortonese, 1942 | |
| Ceratobranchia joanae | Chernoff & Machado-Allison, 1990 | |
| Ceratobranchia obtusirostris | Eigenmann, 1914 | |
| Charax apurensis | Lucena, 1987 | |
| Charax awa | Guimarães, Brito, Ferreira & Ottoni, 2018 | |
| Charax caudimaculatus | Lucena, 1987 | |
| Charax condei | (Géry & Knöppel, 1976) | |
| Charax delimai | Menezes & Lucena, 2014 | |
| Charax gibbosus | (Linnaeus, 1758) | Glass headstander |
| Charax hemigrammus | (Eigenmann, 1912) | |
| Charax leticiae | Lucena, 1987 | |
| Charax macrolepis | (Kner, 1858) | |
| Charax metae | Eigenmann, 1922 | |
| Charax michaeli | Lucena, 1989 | |
| Charax niger | Lucena, 1989 | |
| Charax notulatus | Lucena, 1987 | |
| Charax pauciradiatus | (Günther, 1864) | |
| Charax rupununi | Eigenmann, 1912 | |
| Charax stenopterus | (Cope, 1894) | |
| Charax tectifer | (Cope, 1870) | |
| Charax unimaculatus | Lucena, 1989 | |
| Cheirodon australe | Eigenmann, 1928 | |
| Cheirodon galusdae | Eigenmann, 1928 | |
| Cheirodon ibicuhiensis | Eigenmann, 1915 | |
| Cheirodon interruptus | (Jenyns, 1842) | Uruguay tetra |
| Cheirodon jaguaribensis | Fowler, 1941 | |
| Cheirodon kiliani | Campos, 1982 | |
| Cheirodon luelingi | Géry, 1964 | |
| Cheirodon ortegai | Vari & Géry, 1980 | |
| Cheirodon parahybae | Eigenmann, 1915 | |
| Cheirodon pisciculus | Girard, 1855 | |
| Cheirodontops geayi | Schultz, 1944 | |
| Chrysobrycon eliasi | Vanegas-Ríos, Azpelicueta & Ortega, 2011 | |
| Chrysobrycon guahibo | Vanegas-Ríos, Urbano-Bonilla & Azpelicueta, 2015 | |
| Chrysobrycon hesperus | (Böhlke, 1958) | |
| Chrysobrycon myersi | (Weitzman & Thomerson, 1970) | |
| Chrysobrycon yoliae | Vanegas-Ríos, Azpelicueta & Ortega, 2014 | |
| Compsura gorgonae | (Evermann & Goldsborough, 1909) | |
| Compsura heterura | Eigenmann, 1915 | |
| Coptobrycon bilineatus | (Ellis, 1911) | |
| Corynopoma riisei | Gill, 1858 | Swordtail characin |
| Creagrutus affinis | Steindachner, 1880 | |
| Creagrutus amoenus | Fowler, 1943 | |
| Creagrutus anary | Fowler, 1913 | |
| Creagrutus atratus | Vari & Harold, 2001 | |
| Creagrutus atrisignum | Myers, 1927 | |
| Creagrutus barrigai | Vari & Harold, 2001 | |
| Creagrutus beni | Eigenmann, 1911 | Goldstripe characin |
| Creagrutus bolivari | Schultz, 1944 | |
| Creagrutus brevipinnis | Eigenmann, 1913 | |
| Creagrutus britskii | Vari & Harold, 2001 | |
| Creagrutus calai | Vari & Harold, 2001 | |
| Creagrutus caucanus | Eigenmann, 1913 | |
| Creagrutus cerritulus | Netto-Ferreira & Vari, 2017 | |
| Creagrutus changae | Vari & Harold, 2001 | |
| Creagrutus cochui | Géry, 1964 | |
| Creagrutus cracentis | Vari & Harold, 2001 | |
| Creagrutus crenatus | Vari & Harold, 2001 | |
| Creagrutus ephippiatus | Vari & Harold, 2001 | |
| Creagrutus figueiredoi | Vari & Harold, 2001 | |
| Creagrutus flavescens | Vari & Harold, 2001 | |
| Creagrutus gephyrus | Böhlke & Saul, 1975 | |
| Creagrutus gracilis | Vari & Harold, 2001 | |
| Creagrutus guanes | Torres-Mejia & Vari, 2005 | |
| Creagrutus gyrospilus | Vari & Harold, 2001 | |
| Creagrutus hildebrandi | Schultz, 1944 | |
| Creagrutus holmi | Vari & Harold, 2001 | |
| Creagrutus hysginus | Harold, Vari, Machado-Allison & Provenzano, 1994 | |
| Creagrutus ignotus | Vari & Harold, 2001 | |
| Creagrutus kunturus | Vari, Harold & Ortega, 1995 | |
| Creagrutus lassoi | Vari & Harold, 2001 | |
| Creagrutus lepidus | Vari, Harold, Lasso & Machado-Allison, 1993 | |
| Creagrutus machadoi | Vari & Harold, 2001 | |
| Creagrutus maculosus | Román-Valencia, García-Alzate, Ruiz-C. & Taphorn, 2010 | |
| Creagrutus magdalenae | Eigenmann, 1913 | |
| Creagrutus magoi | Vari & Harold, 2001 | |
| Creagrutus manu | Vari & Harold, 2001 | |
| Creagrutus maracaiboensis | (Schultz, 1944) | |
| Creagrutus maxillaris | (Myers, 1927) | |
| Creagrutus melanzonus | Eigenmann, 1909 | |
| Creagrutus melasma | Vari, Harold & Taphorn, 1994 | |
| Creagrutus menezesi | Vari & Harold, 2001 | |
| Creagrutus meridionalis | Vari & Harold, 2001 | |
| Creagrutus molinus | Vari & Harold, 2001 | |
| Creagrutus mucipu | Vari & Harold, 2001 | |
| Creagrutus muelleri | (Günther, 1859) | |
| Creagrutus nigrostigmatus | Dahl, 1960 | |
| Creagrutus nigrotaeniatus | Dagosta & Pastana, 2014 | |
| Creagrutus occidaneus | Vari & Harold, 2001 | |
| Creagrutus ortegai | Vari & Harold, 2001 | |
| Creagrutus ouranonastes | Vari & Harold, 2001 | |
| Creagrutus paraguayensis | Mahnert & Géry, 1988 | |
| Creagrutus paralacus | Harold & Vari, 1994 | |
| Creagrutus pearsoni | Mahnert & Géry, 1988 | |
| Creagrutus peruanus | (Steindachner, 1876) | |
| Creagrutus petilus | Vari & Harold, 2001 | |
| Creagrutus phasma | Myers, 1927 | |
| Creagrutus pila | Vari & Harold, 2001 | |
| Creagrutus planquettei | Géry & Renno, 1989 | |
| Creagrutus provenzanoi | Vari & Harold, 2001 | |
| Creagrutus runa | Vari & Harold, 2001 | |
| Creagrutus saxatilis | Vari & Harold, 2001 | |
| Creagrutus seductus | Vari & Harold, 2001 | |
| Creagrutus taphorni | Vari & Harold, 2001 | |
| Creagrutus tuyuka | Vari & Lima, 2003 | |
| Creagrutus ungulus | Vari & Harold, 2001 | |
| Creagrutus varii | Ribeiro, Benine & Figueiredo, 2004 | |
| Creagrutus veruina | Vari & Harold, 2001 | |
| Creagrutus vexillapinnus | Vari & Harold, 2001 | |
| Creagrutus xiphos | Vari & Harold, 2001 | |
| Creagrutus yanatili | Harold & Salcedo, 2010 | |
| Creagrutus yudja | Netto-Ferreira & Moreira, 2018 | |
| Creagrutus zephyrus | Vari & Harold, 2001 | |
| Ctenobrycon alleni | (Eigenmann & McAtee, 1907) | |
| Ctenobrycon hauxwellianus | (Cope, 1870) | |
| Ctenobrycon multiradiatus | (Steindachner, 1876) | |
| Ctenobrycon oliverai | Benine, Lopes & Ron, 2010 | |
| Ctenobrycon spilurus | (Valenciennes, 1850) | Silver tetra |
| Ctenocheirodon pristis | Malabarba & Jerep, 2012 | |
| Deuterodon aphos | (Zanata & Akama, 2004) | |
| Deuterodon burgerai | (Zanata & Camelier, 2009) | |
| Deuterodon giton | (Eigenmann, 1908) | |
| Deuterodon hamatilis | (Camelier & Zanata, 2014) | |
| Deuterodon hastatus | (Myers, 1928) | |
| Cynopotamus amazonum | (Günther, 1868) | |
| Cynopotamus argenteus | (Valenciennes, 1836) | |
| Cynopotamus atratoensis | (Eigenmann, 1907) | |
| Cynopotamus bipunctatus | Pellegrin, 1909 | |
| Cynopotamus essequibensis | Eigenmann, 1912 | |
| Cynopotamus gouldingi | Menezes, 1987 | |
| Cynopotamus juruenae | Menezes, 1987 | |
| Cynopotamus kincaidi | (Schultz, 1950) | |
| Cynopotamus magdalenae | (Steindachner, 1879) | |
| Cynopotamus tocantinensis | Menezes, 1987 | |
| Cynopotamus venezuelae | (Schultz, 1944) | |
| Cynopotamus xinguano | Menezes, 2007 | |
| Dectobrycon armeniacus | Zarske & Géry, 2006 | |
| Deuterodon heterostomus | (Eigenmann, 1911) | |
| Deuterodon iguape | Eigenmann, 1907 | |
| Deuterodon intermedius | (Eigenmann, 1908) | |
| Deuterodon janeiroensis | (Eigenmann, 1908) | |
| Deuterodon langei | Travassos, 1957 | |
| Deuterodon longirostris | (Steindachner, 1907) | |
| Deuterodon luetkenii | (Boulenger, 1887) | |
| Deuterodon mutator | (Eigenmann, 1909) | |
| Deuterodon oyakawai | (Santos & Castro, 2014) | |
| Deuterodon parahybae | Eigenmann, 1908 | |
| Deuterodon pelecus | (Bertaco & Lucena, 2006) | |
| Deuterodon potaroensis | Eigenmann, 1909 | |
| Deuterodon ribeirae | (Eigenmann, 1911) | |
| Deuterodon rosae | (Steindachner, 1908) | |
| Deuterodon sazimai | (Santos & Castro, 2014) | |
| Deuterodon singularis | Lucena & Lucena, 1992 | |
| Deuterodon stigmaturus | (Gomes, 1947) | |
| Deuterodon supparis | Lucena & Lucena, 1992 | |
| Deuterodon taeniatus | (Jenyns, 1842) | |
| Diapoma alburnum | (Hensel, 1870) | |
| Diapoma alegretense | (Malabarba & Weitzman, 2003) | |
| Diapoma dicropotamicus | (Malabarba & Weitzman, 2003) | |
| Diapoma guarani | (Mahnert & Géry, 1987) | |
| Diapoma itaimbe | (Malabarba & Weitzman, 2003) | |
| Diapoma lepiclastum | (Malabarba, Weitzman & Casciotta, 2003) | |
| Diapoma nandi | Vanegas‐Ríos, Azpelicueta & Malabarba, 2018 | |
| Diapoma obi | (Casciotta, Almirón, Piálek & Říčan, 2012) | |
| Diapoma pyrrhopteryx | Menezes & Weitzman, 2011 | |
| Diapoma speculiferum | Cope, 1894 | |
| Diapoma terofali | (Géry, 1964) | |
| Diapoma thauma | Menezes & Weitzman, 2011 | |
| Diapoma tipiaia | (Malabarba & Weitzman, 2003) | |
| Diapoma uruguayense | (Messner, 1962) | |
| Ectrepopterus uruguayensis | (Fowler, 1943) | |
| Eretmobrycon bayano | Fink, 1976 | |
| Eretmobrycon festae | (Boulenger, 1898) | |
| Erythrocharax altipinnis | Netto-Ferreira, Birindelli, de Sousa, Mariguela & Oliveira, 2013 | |
| Exodon paradoxus | Müller & Troschel, 1844 | Bucktooth tetra |
| Galeocharax gulo | (Cope, 1870) | |
| Galeocharax humeralis | (Valenciennes, 1834) | |
| Galeocharax knerii | (Steindachner, 1879) | |
| Genycharax tarpon | Eigenmann, 1912 | |
| Gephyrocharax atracaudatus | (Meek & Hildebrand, 1912) | |
| Gephyrocharax caucanus | Eigenmann, 1912 | |
| Gephyrocharax chaparae | Fowler, 1940 | |
| Gephyrocharax chocoensis | Eigenmann, 1912 | |
| Gephyrocharax intermedius | Meek & Hildebrand, 1916 | |
| Gephyrocharax major | Myers, 1929 | |
| Gephyrocharax martae | Dahl, 1943 | |
| Gephyrocharax melanocheir | Eigenmann, 1912 | |
| Gephyrocharax sinuensis | Dahl, 1964 | |
| Gephyrocharax torresi | Vanegas-Ríos, Azpelicueta. Mirande & García Gonzales, 2013 | |
| Gephyrocharax valencia | Eigenmann, 1920 | |
| Gephyrocharax venezuelae | Schultz, 1944 | |
| Gephyrocharax whaleri | Hildebrand, 1938 | |
| Glandulocauda caerulea | Menezes & Weitzman, 2009 | |
| Glandulocauda melanopleura | (Ellis, 1911) | |
| Gymnotichthys hildae | Fernández-Yépez, 1950 | |
| Grundulus bogotensis | (Humboldt, 1821) | |
| Grundulus cochae | Román-Valencia, Paepke & Pantoja, 2003 | |
| Grundulus quitoensis | Román-Valencia, Ruiz C. & Barriga, 2005 | |
| Gymnocharacinus bergii | Steindachner, 1903 | Naked characin |
| Gymnocorymbus bondi | (Fowler, 1911) | |
| Gymnocorymbus flaviolimai | Benine, Melo, Castro & Oliveira, 2015 | |
| Gymnocorymbus ternetzi | (Boulenger, 1895) | Black tetra |
| Gymnocorymbus thayeri | Eigenmann, 1908 | False black tetra |
| Hasemania crenuchoides | Zarske & Géry, 1999 | |
| Hasemania hanseni | (Fowler, 1949) | |
| Hasemania kalunga | Bertaco & Carvalho, 2010 | |
| Hasemania maxillaris | Ellis, 1911 | |
| Hasemania melanura | Ellis, 1911 | Copper tetra |
| Hasemania nambiquara | Bertaco & Malabarba, 2007 | |
| Hasemania nana | (Lütken, 1875) | Silvertip tetra |
| Hasemania piatan | Zanata & Serra, 2010 | |
| Hasemania uberaba | Serra & Langeani, 2015 | |
| Hemibrycon antioquiae | Román-Valencia, Ruiz-C., Taphorn P., Mancera-Rodriguez & García-Alzate, 2013 | |
| Hemibrycon beni | Pearson, 1924 | |
| Hemibrycon boquiae | (Eigenmann, 1913) | |
| Hemibrycon brevispini | Román-Valencia & Arcila-Mesa, 2009 | |
| Hemibrycon cairoensis | Román-Valencia & Arcila-Mesa, 2009 | |
| Hemibrycon cardalensis | Román-Valencia, Ruiz-C., Taphorn P., Mancera-Rodriguez & García-Alzate, 2013 | |
| Hemibrycon carrilloi | Dahl, 1960 | |
| Hemibrycon colombianus | Eigenmann, 1914 | |
| Hemibrycon dariensis | Meek & Hildebrand, 1916 | |
| Hemibrycon decurrens | (Eigenmann, 1913) | |
| Hemibrycon dentatus | (Eigenmann, 1913) | |
| Hemibrycon divisorensis | Bertaco, Malabarba, Hidalgo & Ortega, 2007 | |
| Hemibrycon fasciatus | Román-Valencia, Ruiz-C., Taphorn P., Mancera-Rodriguez & García-Alzate, 2013 | |
| Hemibrycon guejarensis | Román-Valencia, Ruiz-C. & Taphorn, 2018 | |
| Hemibrycon helleri | Eigenmann, 1927 | |
| Hemibrycon huambonicus | (Steindachner, 1882) | |
| Hemibrycon inambari | Bertaco & Malabarba, 2010 | |
| Hemibrycon jabonero | Schultz, 1944 | |
| Hemibrycon jelskii | (Steindachner, 1876) | |
| Hemibrycon metae | Myers, 1930 | |
| Hemibrycon microformaa | Román-Valencia & Ruiz-C., 2007 | |
| Hemibrycon mikrostiktos | Bertaco & Malabarba, 2010 | |
| Hemibrycon orcesi | Böhlke, 1958 | |
| Hemibrycon paez | Román-Valencia & Arcila-Mesa, 2010 | |
| Hemibrycon palomae | Román-Valencia, García-Alzate, Ruiz-C. & Taphorn, 2010 | |
| Hemibrycon polyodon | (Günther, 1864) | |
| Hemibrycon quindos | Román-Valencia & Arcila-Mesa, 2010 | |
| Hemibrycon rafaelensis | Román-Valencia & Arcila-Mesa, 2008 | |
| Hemibrycon raqueliae | Román-Valencia & Arcila-Mesa, 2010 | |
| Hemibrycon sanjuanensis | Román-Valencia, Ruiz-C., Taphorn & García-Alzate, 2014 | |
| Hemibrycon santamartae | Román-Valencia, Ruiz-C., García-Alzate & Taphorn, 2010 | |
| Hemibrycon sierraensis | García-Alzate, Román-Valencia & Taphorn, 2015 | |
| Hemibrycon surinamensis | Géry, 1962 | |
| Hemibrycon taeniurus | (Gill, 1858) | Mountain stream sardine |
| Hemibrycon tridens | Eigenmann, 1922 | Jumping tetra |
| Hemibrycon velox | Dahl, 1964 | |
| Hemibrycon virolinica | Román-Valencia & Arcila-Mesa, 2010 | |
| Hemibrycon yacopiae | Román-Valencia & Arcila-Mesa, 2010 | |
| Hemigrammus aereus | Géry, 1959 | |
| Hemigrammus analis | Durbin, 1909 | |
| Hemigrammus arua | Lima, Wosiacki & Ramos, 2009 | |
| Hemigrammus ataktos | Marinho, Dagosta & Birindelli, 2014 | |
| Hemigrammus barrigonae | Eigenmann & Henn, 1914 | |
| Hemigrammus bellottii | (Steindachner, 1882) | |
| Hemigrammus boesemani | Géry, 1959 | |
| Hemigrammus brevis | Ellis, 1911 | |
| Hemigrammus changae | Ota, Lima & Hidalgo, 2019 | |
| Hemigrammus coeruleus | Durbin, 1908 | |
| Hemigrammus cupreus | Durbin, 1918 | |
| Hemigrammus cylindricus | Durbin, 1909 | |
| Hemigrammus diagonicus | Mendonça & Wosiacki, 2011 | |
| Hemigrammus durbinae | Ota, Lima & Pavanelli, 2015 | |
| Hemigrammus elegans | (Steindachner, 1882) | |
| Hemigrammus erythrozonus | Durbin, 1909 | Glowlight tetra |
| Hemigrammus falsus | Meinken, 1958 | Head-and-tail-light fish |
| Hemigrammus filamentosus | Zarske, 2011 | |
| Hemigrammus geisleri | Zarske & Géry, 2007 | |
| Hemigrammus gracilis | (Lütken, 1875) | |
| Hemigrammus guyanensis | Géry, 1959 | |
| Hemigrammus haraldi | Géry, 1961 | |
| Hemigrammus hyanuary | Durbin, 1918 | January tetra |
| Hemigrammus iota | Durbin, 1909 | |
| Hemigrammus levis | Durbin, 1908 | |
| Hemigrammus luelingi | Géry, 1964 | |
| Hemigrammus lunatus | Durbin, 1918 | |
| Hemigrammus machadoi | Ota, Lima & Pavanelli, 2014 | |
| Hemigrammus mahnerti | Uj & Géry, 1989 | |
| Hemigrammus marginatus | Ellis, 1911 | |
| Hemigrammus matei | Eigenmann, 1918 | |
| Hemigrammus megaceps | Fowler, 1945 | |
| Hemigrammus melanochrous | Fowler, 1913 | |
| Hemigrammus micropterus | Meek, 1907 | |
| Hemigrammus microstomus | Durbin, 1918 | |
| Hemigrammus mimus | Böhlke, 1955 | |
| Hemigrammus neptunus | Zarske & Géry, 2002 | |
| Hemigrammus newboldi | (Fernández-Yépez, 1949) | |
| Hemigrammus ocellifer | (Steindachner, 1882) | Head-and-taillight tetra |
| Hemigrammus ora | Zarske, Le Bail & Géry, 2006 | |
| Hemigrammus orthus | Durbin, 1909 | |
| Hemigrammus parana | Marinho, Carvalho, Langeani & Tatsumi, 2008 | |
| Hemigrammus pretoensis | Géry, 1965 | |
| Hemigrammus pulcher | Ladiges, 1938 | Garnet tetra |
| Hemigrammus rodwayi | Durbin, 1909 | |
| Hemigrammus rubrostriatus | Zarske, 2015 | |
| Hemigrammus schmardae | (Steindachner, 1882) | |
| Hemigrammus silimoni | Britski & Lima, 2008 | |
| Hemigrammus skolioplatus | Bertaco & Carvalho, 2005 | |
| Hemigrammus stictus | (Durbin, 1909) | |
| Hemigrammus taphorni | Benine & Lopes, 2007 | |
| Hemigrammus tocantinsi | Carvalho, Bertaco & Jerep, 2010 | |
| Hemigrammus tridens | Eigenmann, 1907 | |
| Hemigrammus ulreyi | (Boulenger, 1895) | |
| Hemigrammus unilineatus | (Gill, 1858) | Featherfin tetra |
| Hemigrammus vorderwinkleri | Géry, 1963 | |
| Hemigrammus yinyang | Lima & Sousa, 2009 | |
| Heterocheirodon jacuiensis | Malabarba & Bertaco, 1999 | |
| Heterocheirodon yatai | (Casciotta, Miquelarena & Protogino, 1992) | |
| Hollandichthys multifasciatus | (Eigenmann & Norris, 1900) | |
| Hollandichthys taramandahy | Bertaco & Malabarba, 2013 | |
| Hyphessobrycon ecuadorensis | (Eigenmann, 1915) | |
| Hyphessobrycon ecuadoriensis | Eigenmann & Henn, 1914 | |
| Hyphessobrycon eilyos | Lima & Moreira, 2003 | |
| Hyphessobrycon elachys | Weitzman, 1984 | |
| Hyphessobrycon eos | Durbin, 1909 | Dawn tetra |
| Hyphessobrycon epicharis | Weitzman & Palmer, 1997 | |
| Hyphessobrycon eques | (Steindachner, 1882) | Jewel tetra |
| Hyphessobrycon ericae | Moreira & Lima, 2017 | |
| Hyphessobrycon erythrostigma | (Fowler, 1943) | Bleeding-heart tetra |
| Hyphessobrycon eschwartzae | García-Alzate, Román-Valencia & Ortega, 2013 | |
| Hyphessobrycon fernandezi | Fernández-Yépez, 1972 | |
| Hyphessobrycon flammeus | Myers, 1924 | Flame tetra |
| Hyphessobrycon frankei | Zarske & Géry, 1997 | |
| Hyphessobrycon georgettae | Géry, 1961 | |
| Hyphessobrycon gracilior | Géry, 1964 | |
| Hyphessobrycon acaciae | García-Alzate, Román-Valencia & Prada-Pedreros, 2010 | |
| Hyphessobrycon agulha | Fowler, 1913 | |
| Hyphessobrycon albolineatus | Fernández-Yépez, 1950 | |
| Hyphessobrycon amandae | Géry & Uj, 1987 | Ember tetra |
| Hyphessobrycon amapaensis | Zarske & Géry, 1998 | |
| Hyphessobrycon amaronensis | García-Alzate, Román-Valencia & Taphorn, 2010 | |
| Hyphessobrycon arianae | Uj & Géry, 1989 | |
| Hyphessobrycon auca | Almirón, Casciotta, Bechara & Ruíz Díaz, 2004 | |
| Hyphessobrycon axelrodi | (Travassos, 1959) | Calypso tetra |
| Hyphessobrycon balbus | Myers, 1927 | |
| Hyphessobrycon bentosi | Durbin, 1908 | Ornate tetra |
| Hyphessobrycon bifasciatus | Ellis, 1911 | Yellow tetra |
| Hyphessobrycon borealis | Zarske, Le Bail & Géry, 2006 | |
| Hyphessobrycon boulengeri | (Eigenmann, 1907) | |
| Hyphessobrycon brumado | Zanata & Camelier, 2010 | |
| Hyphessobrycon cachimbensis | Travassos, 1964 | |
| Hyphessobrycon catableptus | (Durbin, 1909) | |
| Hyphessobrycon chocoensis | García-Alzate, Román-Valencia & Taphorn, 2013 | |
| Hyphessobrycon clavatus | Zarske, 2015 | |
| Hyphessobrycon coelestinus | Myers, 1929 | |
| Hyphessobrycon columbianus | Zarske & Géry, 2002 | |
| Hyphessobrycon comodoro | Dagosta, Seren, Ferreira & Marinho, 2022 | Emerald green tetra |
| Hyphessobrycon compressus | (Meek, 1904) | Mayan tetra |
| Hyphessobrycon condotensis | Regan, 1913 | |
| Hyphessobrycon copelandi | Durbin, 1908 | |
| Hyphessobrycon cyanotaenia | Zarske & Géry, 2006 | |
| Hyphessobrycon diancistrus | Weitzman, 1977 | |
| Hyphessobrycon diastatos | Dagosta, Marinho & Camelier, 2014 | |
| Hyphessobrycon dorsalis | Zarske, 2014 | |
| Hyphessobrycon duragenys | Ellis, 1911 | |
| Hyphessobrycon griemi | Hoedeman, 1957 | Goldspotted tetra |
| Hyphessobrycon hamatus | Bertaco & Malabarba, 2005 | |
| Hyphessobrycon haraldschultzi | Travassos, 1960 | |
| Hyphessobrycon hasemani | Fowler, 1913 | |
| Hyphessobrycon heliacus | Moreira, Landim & Costa, 2002 | |
| Hyphessobrycon herbertaxelrodi | Géry, 1961 | Black neon tetra |
| Hyphessobrycon heteresthes | (Ulrey, 1894) | |
| Hyphessobrycon heterorhabdus | (Ulrey, 1894) | Flag tetra |
| Hyphessobrycon hexastichos | Bertaco & Carvalho, 2005 | |
| Hyphessobrycon hildae | Fernández-Yépez, 1950 | |
| Hyphessobrycon igneus | Miquelarena, Menni, López & Casciotta, 1980 | |
| Hyphessobrycon iheringi | Fowler, 1941 | |
| Hyphessobrycon inconstans | (Eigenmann & Ogle, 1907) | |
| Hyphessobrycon isiri | Almirón, Casciotta & Koerber, 2006 | |
| Hyphessobrycon itaparicensis | Lima & Costa, 2001 | |
| Hyphessobrycon jackrobertsi | Zarske, 2014 | |
| Hyphessobrycon kayabi | Teixeira, Lima & Zuanon, 2014 | |
| Hyphessobrycon khardinae | Zarske, 2008 | |
| Hyphessobrycon klausanni | García-Alzate, Urbano-Bonilla & Taphorn, 2017 | |
| Hyphessobrycon langeanii | Lima & Moreira, 2003 | |
| Hyphessobrycon latus | Fowler, 1941 | |
| Hyphessobrycon loretoensis | Ladiges, 1938 | Loreto tetra |
| Hyphessobrycon loweae | Costa & Géry, 1994 | |
| Hyphessobrycon maculicauda | Ahl, 1936 | |
| Hyphessobrycon margitae | Zarske, 2016 | |
| Hyphessobrycon mavro | García-Alzate, Román-Valencia & Prada-Pedreros, 2010 | |
| Hyphessobrycon megalopterus | (Eigenmann, 1915) | Black phantom tetra |
| Hyphessobrycon melanostichos | Carvalho & Bertaco, 2006 | |
| Hyphessobrycon melasemeion | Fowler, 1945 | |
| Hyphessobrycon melazonatus | Durbin, 1908 | |
| Hyphessobrycon meridionalis | Ringuelet, Miquelarena & Menni, 1978 | |
| Hyphessobrycon metae | Eigenmann & Henn, 1914 | |
| Hyphessobrycon micropterus | (Eigenmann, 1915) | |
| Hyphessobrycon milleri | Durbin, 1908 | |
| Hyphessobrycon minimus | Durbin, 1909 | |
| Hyphessobrycon minor | Durbin, 1909 | |
| Hyphessobrycon moniliger | Moreira, Lima & Costa, 2002 | |
| Hyphessobrycon montagi | Lima, Coutinho & Wosiacki, 2014 | |
| Hyphessobrycon mutabilis | Costa & Géry, 1994 | |
| Hyphessobrycon myrmex | Pastana, Dagosta & Esguícero, 2017 | |
| Hyphessobrycon natagaima | García-Alzate, Taphorn, Roman-Valencia & Villa-Navarro, 2015 | |
| Hyphessobrycon negodagua | Lima & Gerhard, 2001 | |
| Hyphessobrycon nicolasi | Miquelarena & López, 2010 | |
| Hyphessobrycon niger | García-Alzate, Román-Valencia & Prada-Pedreros, 2010 | |
| Hyphessobrycon nigricinctus | Zarske & Géry, 2004 | |
| Hyphessobrycon notidanos | Carvalho & Bertaco, 2006 | |
| Hyphessobrycon ocasoensis | García-Alzate & Román-Valencia, 2008 | |
| Hyphessobrycon oritoensis | García-Alzate, Román-Valencia & Taphorn, 2008 | |
| Hyphessobrycon otrynus | Benine & Lopes, 2008 | |
| Hyphessobrycon paepkei | Zarske, 2014 | |
| Hyphessobrycon panamensis | Durbin, 1908 | |
| Hyphessobrycon pando | Hein, 2009 | Pando tetra |
| Hyphessobrycon parvellus | Ellis, 1911 | |
| Hyphessobrycon paucilepis | García-Alzate, Román-Valencia & Taphorn, 2008 | |
| Hyphessobrycon peruvianus | Ladiges, 1938 | Peruvian tetra |
| Hyphessobrycon peugeotorum | Ingenito, Lima & Buckup, 2013 | |
| Hyphessobrycon piabinhas | Fowler, 1941 | |
| Hyphessobrycon pinnistriatus | Carvalho, Cabeceira & Carvalho, 2017 | |
| Hyphessobrycon piranga | Camelier, Dagosta & Marinho, 2018 | |
| Hyphessobrycon poecilioides | Eigenmann, 1913 | |
| Hyphessobrycon procerus | Mahnert & Géry, 1987 | |
| Hyphessobrycon procyon | Pastana & Ohara, 2016 | |
| Hyphessobrycon proteus | Eigenmann, 1913 | |
| Hyphessobrycon pulchripinnis | Ahl, 1937 | Lemon tetra |
| Hyphessobrycon pyrrhonotus | Burgess, 1993 | |
| Hyphessobrycon pytai | Géry & Mahnert, 1993 | |
| Hyphessobrycon reticulatus | Ellis, 1911 | |
| Hyphessobrycon rheophilus | Ohara, Teixeira, Albornoz-Garzón, Mirande & Lima, 2019 | |
| Hyphessobrycon robustulus | (Cope, 1870) | |
| Hyphessobrycon rosaceus | Durbin, 1909 | Rosy tetra |
| Hyphessobrycon roseus | (Géry, 1960) | |
| Hyphessobrycon rutiliflavidus | Carvalho, Langeani, Miyazawa & Troy, 2008 | |
| Hyphessobrycon saizi | Géry, 1964 | |
| Hyphessobrycon santae | (Eigenmann, 1907) | |
| Hyphessobrycon savagei | Bussing, 1967 | |
| Hyphessobrycon schauenseei | Fowler, 1926 | |
| Hyphessobrycon scholzei | Ahl, 1937 | Blackline tetra |
| Hyphessobrycon scutulatus | Lucena, 2003 | |
| Hyphessobrycon sebastiani | García-Alzate, Román-Valencia & Taphorn, 2010 | |
| Hyphessobrycon simulatus | (Géry, 1960) | |
| Hyphessobrycon socolofi | Weitzman, 1977 | Spotfin tetra |
| Hyphessobrycon sovichthys | Schultz, 1944 | |
| Hyphessobrycon stegemanni | Géry, 1961 | Savanna tetra |
| Hyphessobrycon stramineus | Durbin, 1918 | |
| Hyphessobrycon sweglesi | (Géry, 1961) | Red phantom tetra |
| Hyphessobrycon taguae | García-Alzate, Román-Valencia & Taphorn, 2010 | |
| Hyphessobrycon takasei | Géry, 1964 | Coffee-bean tetra |
| Hyphessobrycon taphorni | García-Alzate, Román-Valencia & Ortega, 2013 | |
| Hyphessobrycon taurocephalus | Ellis, 1911 | |
| Hyphessobrycon tenuis | Géry, 1964 | |
| Hyphessobrycon togoi | Miquelarena & López, 2006 | |
| Hyphessobrycon tortuguerae | Böhlke, 1958 | |
| Hyphessobrycon tropis | Géry, 1963 | |
| Hyphessobrycon tukunai | Géry, 1965 | |
| Hyphessobrycon tuyensis | García-Alzate, Román-Valencia & Taphorn, 2008 | |
| Hyphessobrycon uaiso | Carvalho & Langeani, 2013 | |
| Hyphessobrycon vilmae | Géry, 1966 | |
| Hyphessobrycon vinaceus | Bertaco, Malabarba & Dergam, 2007 | |
| Hyphessobrycon wadai | Marinho, Dagosta, Camelier & Oyakawa, 2016 | |
| Hyphessobrycon wajat | Almirón & Casciotta, 1999 | |
| Hyphessobrycon weitzmanorum | Lima & Moreira, 2003 | |
| Hyphessobrycon werneri | Géry & Uj, 1987 | |
| Hyphessobrycon wosiackii | Moreira & Lima, 2017 | |
| Hyphessobrycon zoe | Faria, Lima & Wosiacki, 2020 | |
| Hypobrycon leptorhynchus | da Silva & Malabarba, 1996 | |
| Hypobrycon maromba | Malabarba & Malabarba, 1994 | |
| Hysteronotus megalostomus | Eigenmann, 1911 | |
| Knodus meridae | Eigenmann, 1911 | |
| Knodus mizquae | (Fowler, 1943) | |
| Knodus moenkhausii | (Eigenmann & Kennedy, 1903) | |
| Knodus orteguasae | (Fowler, 1943) | |
| Knodus pasco | Zarske, 2007 | |
| Knodus savannensis | Géry, 1961 | |
| Knodus septentrionalis | Géry, 1972 | |
| Knodus shinahota | Ferreira & Carvajal, 2007 | |
| Knodus smithi | (Fowler, 1913) | |
| Knodus tiquiensis | Ferreira & Lima, 2006 | |
| Knodus victoriae | (Steindachner, 1907) | |
| Kolpotocheirodon figueiredoi | Malabarba, Lima & Weitzman, 2004 | |
| Kolpotocheirodon theloura | Malabarba & Weitzman, 2000 | |
| Inpaichthys kerri | Géry & Junk, 1977 | Royal tetra |
| Iotabrycon praecox | Roberts, 1973 | |
| Jupiaba abramoides | (Eigenmann, 1909) | |
| Jupiaba acanthogaster | (Eigenmann, 1911) | |
| Jupiaba ajuricaba | (Marinho & Lima, 2009) | |
| Jupiaba anterior | (Eigenmann, 1908) | |
| Jupiaba anteroides | (Géry, 1965) | |
| Jupiaba apenima | Zanata, 1997 | |
| Jupiaba asymmetrica | (Eigenmann, 1908) | |
| Jupiaba atypindi | Zanata, 1997 | |
| Jupiaba citrina | Zanata & Ohara, 2009 | |
| Jupiaba elassonaktis | Pereira & Lucinda, 2007 | |
| Jupiaba essequibensis | (Eigenmann, 1909) | |
| Jupiaba iasy | Netto-Ferreira, Zanata, Birindelli & Sousa, 2009 | |
| Jupiaba keithi | (Géry, Planquette & Le Bail, 1996) | |
| Jupiaba kurua | Birindelli, Zanata, Sousa & Netto-Ferreira, 2009 | |
| Jupiaba maroniensis | (Géry, Planquette & Le Bail, 1996) | |
| Jupiaba meunieri | (Géry, Planquette & Le Bail, 1996) | |
| Jupiaba minor | (Travassos, 1964) | |
| Jupiaba mucronata | (Eigenmann, 1909) | |
| Jupiaba ocellata | (Géry, Planquette & Le Bail, 1996) | |
| Jupiaba paranatinga | Netto-Ferreira, Zanata, Birindelli & Sousa, 2009 | |
| Jupiaba pinnata | (Eigenmann, 1909) | |
| Jupiaba pirana | Zanata, 1997 | |
| Jupiaba poekotero | Zanata & Lima, 2005 | |
| Jupiaba polylepis | (Günther, 1864) | |
| Jupiaba poranga | Zanata, 1997 | |
| Jupiaba potaroensis | (Eigenmann, 1909) | |
| Jupiaba scologaster | (Weitzman & Vari, 1986) | |
| Jupiaba yarina | Zanata, 1997 | |
| Jupiaba zonata | (Eigenmann, 1908) | |
| Knodus borki | Zarske, 2008 | |
| Knodus breviceps | (Eigenmann, 1908) | |
| Knodus caquetae | Fowler, 1945 | |
| Knodus chapadae | (Fowler, 1906) | |
| Knodus delta | Géry, 1972 | |
| Knodus dorsomaculatus | Ferreira & Netto-Ferreira, 2010 | |
| Knodus figueiredoi | Esguícero & Castro, 2014 | |
| Knodus gamma | Géry, 1972 | |
| Knodus geryi | Lima, Britski & Machado, 2004 | |
| Knodus heteresthes | (Eigenmann, 1908) | |
| Knodus hypopterus | (Fowler, 1943) | |
| Knodus longus | Zarske & Géry, 2006 | |
| Knodus megalops | Myers, 1929 | |
| Landonia latidens | Eigenmann & Henn, 1914 | |
| Lepidocharax burnsi | Ferreira, Menezes & Quagio-Grassiotto, 2011 | |
| Lepidocharax diamantina | Ferreira, Menezes & Quagio-Grassiotto, 2011 | |
| Leptagoniates steindachneri | Boulenger, 1887 | |
| Leptobrycon jatuaranae | Eigenmann, 1915 | |
| Lophiobrycon weitzmani | Castro, Ribeiro, Benine & Melo, 2003 | |
| Macropsobrycon uruguayanae | Eigenmann, 1915 | |
| Macropsobrycon xinguensis | Géry, 1973 | |
| Makunaima guaporensis | (Eigenmann, 1911) | |
| Makunaima guianensis | (Eigenmann, 1909) | |
| Makunaima multidens | (Eigenmann, 1908) | |
| Markiana geayi | (Pellegrin, 1909) | |
| Markiana nigripinnis | (Perugia, 1891) | |
| Microgenys lativirgata | Pearson, 1927 | |
| Microgenys minuta | Eigenmann, 1913 | |
| Microgenys weyrauchi | Fowler, 1945 | |
| Microschemobrycon callops | Böhlke, 1953 | |
| Microschemobrycon casiquiare | Böhlke, 1953 | |
| Microschemobrycon elongatus | Géry, 1973 | |
| Microschemobrycon geisleri | Géry, 1973 | |
| Microschemobrycon guaporensis | Eigenmann, 1915 | |
| Microschemobrycon melanotus | (Eigenmann, 1912) | |
| Microschemobrycon meyburgi | Meinken, 1975 | |
| Mimagoniates barberi | Regan, 1907 | |
| Mimagoniates inequalis | (Eigenmann, 1911) | Croaking tetra |
| Mimagoniates lateralis | (Nichols, 1913) | |
| Mimagoniates microlepis | (Steindachner, 1877) | Blue tetra |
| Mimagoniates pulcher | Menezes & Weitzman, 2009 | |
| Mimagoniates rheocharis | Menezes & Weitzman, 1990 | |
| Mimagoniates sylvicola | Menezes & Weitzman, 1990 | |
| Mixobrycon ribeiroi | (Eigenmann, 1907) | |
| Moenkhausia affinis | Steindachner, 1915 | |
| Moenkhausia agnesae | Géry, 1965 | |
| Moenkhausia andrica | Reia, Oliveira & Benine, 2021 | |
| Moenkhausia atahualpiana | (Fowler, 1907) | |
| Moenkhausia aurantia | Bertaco, Jerep & Carvalho, 2011 | |
| Moenkhausia australis | Eigenmann, 1908 | |
| Moenkhausia barbouri | Eigenmann, 1908 | |
| Moenkhausia bonita | Benine, Castro & Sabino, 2004 | |
| Moenkhausia britskii | Azevedo-Santos & Benine, 2016 | |
| Moenkhausia browni | Eigenmann, 1909 | |
| Moenkhausia celibela | Marinho & Langeani, 2010 | |
| Moenkhausia ceros | Eigenmann, 1908 | |
| Moenkhausia chlorophthalma | Sousa, Netto-Ferreira & Birindelli, 2010 | |
| Moenkhausia chrysargyrea | (Günther, 1864) | |
| Moenkhausia collettii | (Steindachner, 1882) | |
| Moenkhausia comma | Eigenmann, 1908 | |
| Moenkhausia copei | (Steindachner, 1882) | |
| Moenkhausia cosmops | Lima, Britski & Machado, 2007 | |
| Moenkhausia costae | (Steindachner, 1907) | |
| Moenkhausia cotinho | Eigenmann, 1908 | |
| Moenkhausia crisnejas | Pearson, 1929 | |
| Moenkhausia dasalmas | Bertaco, Jerep & Carvalho, 2011 | |
| Moenkhausia diamantina | Benine, Castro & Santos, 2007 | |
| Moenkhausia dichroura | (Kner, 1858) | Bandtail tetra |
| Moenkhausia diktyota | Lima & Toledo-Piza, 2001 | |
| Moenkhausia doceana | (Steindachner, 1877) | |
| Moenkhausia dorsinuda | Zarske & Géry, 2002 | |
| Moenkhausia eigenmanni | Géry, 1964 | |
| Moenkhausia eurystaenia | Marinho, 2010 | |
| Moenkhausia forestii | Benine, Mariguela & Oliveira, 2009 | |
| Moenkhausia gracilima | Eigenmann, 1908 | |
| Moenkhausia grandisquamis | (Müller & Troschel, 1845) | |
| Moenkhausia hasemani | Eigenmann, 1917 | |
| Moenkhausia heikoi | Géry & Zarske, 2004 | |
| Moenkhausia hemigrammoides | Géry, 1965 | |
| Moenkhausia hysterosticta | Lucinda, Malabarba & Benine, 2007 | |
| Moenkhausia icae | Eigenmann, 1908 | |
| Moenkhausia inrai | Géry, 1992 | |
| Moenkhausia intermedia | Eigenmann, 1908 | |
| Moenkhausia jamesi | Eigenmann, 1908 | |
| Moenkhausia justae | Eigenmann, 1908 | |
| Moenkhausia lata | Eigenmann, 1908 | |
| Moenkhausia latissima | Eigenmann, 1908 | |
| Moenkhausia lepidura | (Kner, 1858) | |
| Moenkhausia levidorsa | Benine, 2002 | |
| Moenkhausia lineomaculata | Dagosta, Marinho & Benine, 2015 | |
| Moenkhausia lopesi | Britski & de Silimon, 2001 | |
| Moenkhausia loweae | Géry, 1992 | |
| Moenkhausia margitae | Zarske & Géry, 2001 | |
| Moenkhausia megalops | (Eigenmann, 1907) | |
| Moenkhausia melogramma | Eigenmann, 1908 | |
| Moenkhausia metae | Eigenmann, 1922 | |
| Moenkhausia miangi | Steindachner, 1915 | |
| Moenkhausia mikia | Marinho & Langeani, 2010 | |
| Moenkhausia moisae | Géry, Planquette & Le Bail, 1995 | |
| Moenkhausia mutum | Dagosta & Marinho, 2016 | |
| Moenkhausia naponis | Böhlke, 1958 | |
| Moenkhausia newtoni | Travassos, 1964 | |
| Moenkhausia nigromarginata | Costa, 1994 | |
| Moenkhausia oligolepis | (Günther, 1864) | Glass tetra |
| Moenkhausia orteguasae | Fowler, 1943 | |
| Moenkhausia ovalis | (Günther, 1868) | |
| Moenkhausia pankilopteryx | Bertaco & Lucinda, 2006 | |
| Moenkhausia parecis | Ohara & Marinho, 2016 | |
| Moenkhausia petymbuaba | Lima & Birindelli, 2006 | |
| Moenkhausia phaeonota | Fink, 1979 | |
| Moenkhausia pirauba | Zanata, Birindelli & Moreira, 2010 | |
| Moenkhausia pittieri | Eigenmann, 1920 | Diamond tetra |
| Moenkhausia plumbea | Sousa, Netto-Ferreira & Birindelli, 2010 | |
| Moenkhausia pyrophthalma | Costa, 1994 | |
| Moenkhausia robertsi | Géry, 1964 | |
| Moenkhausia rubra | Pastana & Dagosta, 2014 | |
| Moenkhausia sanctaefilomenae | (Steindachner, 1907) | Redeye tetra |
| Moenkhausia schultzi | Fernández-Yépez, 1950 | |
| Moenkhausia shideleri | Eigenmann, 1909 | |
| Moenkhausia simulata | (Eigenmann, 1924) | |
| Moenkhausia surinamensis | Géry, 1965 | |
| Moenkhausia takasei | Géry, 1964 | Black-jacket tetra |
| Moenkhausia tergimacula | Lucena & Lucena, 1999 | |
| Moenkhausia tridentata | Holly, 1929 | |
| Moenkhausia uirapuru | Ohara & Lima, 2015 | |
| Moenkhausia venerei | Petrolli, Azevedo-Santos & Benine, 2016 | |
| Moenkhausia xinguensis | (Steindachner, 1882) | |
| Monotocheirodon drilos | Menezes, Weitzman & Quagio-Grassiotto, 2013 | |
| Monotocheirodon kontos | Menezes, Weitzman & Quagio-Grassiotto, 2013 | |
| Monotocheirodon pearsoni | Eigenmann, 1924 | |
| Nanocheirodon insignis | (Steindachner, 1880) | |
| Nematobrycon lacortei | Weitzman & Fink, 1971 | Rainbow tetra |
| Nematobrycon palmeri | Eigenmann, 1911 | Emperor tetra |
| Nematocharax costai | Bragança, Barbosa & Mattos, 2013 | |
| Nematocharax venustus | Weitzman, Menezes & Britski, 1986 | |
| Oligosarcus varii | Menezes & Ribeiro, 2015 | |
| Odontostilbe avanhandava | Chuctaya, Bührnheim & Malabarba, 2018 | |
| Odontostilbe dialeptura | (Fink & Weitzman, 1974) | |
| Odontostilbe dierythrura | Fowler, 1940 | |
| Odontostilbe ecuadorensis | Bührnheim & Malabarba, 2006 | |
| Odontostilbe euspilurus | (Fowler, 1945) | |
| Odontostilbe fugitiva | Cope, 1870 | |
| Odontostilbe littoris | (Géry, 1960) | |
| Odontostilbe microcephala | Eigenmann, 1907 | |
| Odontostilbe mitoptera | (Fink & Weitzman, 1974) | |
| Odontostilbe nareuda | Bührnheim & Malabarba, 2006 | |
| Odontostilbe pao | Bührnheim & Malabarba, 2007 | |
| Odontostilbe paraguayensis | Eigenmann & Kennedy, 1903 | |
| Odontostilbe parecis | Bührnheim & Malabarba, 2006 | |
| Odontostilbe pequira | (Steindachner, 1882) | |
| Odontostilbe pulchra | (Gill, 1858) | |
| Odontostilbe roloffi | Géry, 1972 | |
| Odontostilbe splendida | Bührnheim & Malabarba, 2007 | |
| Odontostilbe stenodon | (Eigenmann, 1915) | |
| Odontostilbe weitzmani | Chuctaya, Bührnheim & Malabarba, 2018 | |
| Odontostoechus lethostigmus | Gomes, 1947 | |
| Oligobrycon microstomus | Eigenmann, 1915 | |
| Oligosarcus acutirostris | Menezes, 1987 | |
| Oligosarcus amome | Almirón, Casciotta, Piálek, Doubnerová, Říčan, 2015 | |
| Oligosarcus argenteus | Günther, 1864 | |
| Oligosarcus bolivianus | (Fowler, 1940) | |
| Oligosarcus brevioris | Menezes, 1987 | |
| Oligosarcus hepsetus | (Cuvier, 1829) | |
| Oligosarcus itau | Mirande, Aguilera & Azpelicueta, 2011 | |
| Oligosarcus jacuiensis | Menezes & Ribeiro, 2010 | |
| Oligosarcus jenynsii | (Günther, 1864) | |
| Oligosarcus longirostris | Menezes & Géry, 1983 | |
| Oligosarcus macrolepis | (Steindachner, 1877) | |
| Oligosarcus menezesi | Miquelarena & Protogino, 1996 | |
| Oligosarcus oligolepis | (Steindachner, 1867) | |
| Oligosarcus paranensis | Menezes & Géry, 1983 | |
| Oligosarcus perdido | Ribeiro, Cavallaro & Froehlich, 2007 | |
| Oligosarcus pintoi | Amaral Campos, 1945 | |
| Oligosarcus planaltinae | Menezes & Géry, 1983 | |
| Oligosarcus platensis | (Messner, 1962) | |
| Oligosarcus robustus | Menezes, 1969 | |
| Oligosarcus schindleri | Menezes & Géry, 1983 | |
| Oligosarcus solitarius | Menezes, 1987 | |
| Orthospinus franciscensis | (Eigenmann, 1914) | |
| Othonocheirodus eigenmanni | Myers, 1927 | |
| Oxybrycon parvulus | Géry, 1964 | |
| Paracheirodon axelrodi | (Schultz, 1956) | Cardinal tetra |
| Paracheirodon innesi | (Myers, 1936) | Neon tetra |
| Paracheirodon simulans | (Géry, 1963) | Green neon tetra |
| Paragoniates alburnus | Steindachner, 1876 | |
| Parapristella aubynei | (Eigenmann, 1909) | |
| Parapristella georgiae | Géry, 1964 | |
| Parastremma album | Dahl, 1960 | |
| Parastremma pulchrum | Dahl, 1960 | |
| Parastremma sadina | Eigenmann, 1912 | |
| Parecbasis cyclolepis | Eigenmann, 1914 | |
| Petitella bleheri | (Géry & Mahnert, 1986) | Firehead tetra |
| Petitella georgiae | Géry & Boutière, 1964 | False rummynose tetra |
| Petitella rhodostoma | (Ahl, 1924) | Rummy-nose tetra |
| Phallobrycon adenacanthus | Menezes, Ferreira & Netto-Ferreira, 2009 | |
| Phenacobrycon henni | (Eigenmann, 1914) | |
| Phenacogaster apletostigma | Lucena & Gama, 2007 | |
| Phenacogaster beni | Eigenmann, 1911 | |
| Phenacogaster calverti | (Fowler, 1941) | |
| Phenacogaster capitulata | Lucena & Malabarba, 2010 | |
| Phenacogaster carteri | (Norman, 1934) | |
| Phenacogaster franciscoensis | Eigenmann, 1911 | |
| Phenacogaster jancupa | Malabarba & Lucena, 1995 | |
| Phenacogaster lucenae | Souza, Mattox, Vita, Ochoa, Melo & Oliveira, 2023 | |
| Phenacogaster maculoblonga | Lucena & Malabarba, 2010 | |
| Phenacogaster megalostictus | Eigenmann, 1909 | |
| Phenacogaster microstictus | Eigenmann, 1909 | |
| Phenacogaster napoatilis | Lucena & Malabarba, 2010 | |
| Phenacogaster ojitata | Lucena & Malabarba, 2010 | |
| Phenacogaster pectinata | (Cope, 1870) | |
| Phenacogaster prolata | Lucena & Malabarba, 2010 | |
| Phenacogaster retropinnus | Lucena & Malabarba, 2010 | |
| Phenacogaster simulata | Lucena & Malabarba, 2010 | |
| Phenacogaster suborbitalis | Ahl, 1936 | |
| Phenacogaster tegatus | (Eigenmann, 1911) | |
| Phenacogaster wayampi | Le Bail & Lucena, 2010 | |
| Phenacogaster wayana | Le Bail & Lucena, 2010 | |
| Phenagoniates macrolepis | (Meek & Hildebrand, 1913) | |
| Phycocharax rasbora | Ohara, Mirande & Lima, 2017 | |
| Piabarchus analis | (Eigenmann, 1914) | |
| Piabarchus torrenticola | Mahnert & Géry, 1988 | |
| Piabina anhembi | da Silva & Kaefer, 2003 | |
| Piabina argentea | Reinhardt, 1867 | |
| Planaltina britskii | Menezes, Weitzman & Burns, 2003 | |
| Planaltina glandipedis | Menezes, Weitzman & Burns, 2003 | |
| Planaltina kaingang | Deprá, da Graça, Pavanelli, Avelino & Oliveira, 2018 | |
| Planaltina myersi | Böhlke, 1954 | |
| Poptella brevispina | Reis, 1989 | |
| Poptella compressa | (Günther, 1864) | |
| Poptella longipinnis | (Popta, 1901) | |
| Poptella paraguayensis | (Eigenmann, 1907) | |
| Priocharax ariel | Weitzman & Vari, 1987 | |
| Priocharax britzi | Mattox, Souza, Toledo-Piza & Oliveira, 2021 | |
| Priocharax marupiara | Mattox, Britz, Souza, Casas, Lima & Oliveira, 2023 | |
| Priocharax nanus | Toledo-Piza, Mattox & Britz, 2014 | |
| Priocharax pygmaeus | Weitzman & Vari, 1987 | |
| Priocharax toledopizae | Mattox, Britz, Souza, Casas, Lima & Oliveira, 2023 | |
| Priocharax varii | Mattox, Souza, Toledo-Piza, Britz & Oliveira, 2020 | |
| Prionobrama filigera | (Cope, 1870) | Glass bloodfin |
| Prionobrama paraguayensis | (Eigenmann, 1914) | |
| Pristella ariporo | Conde-Saldaña, Albornoz-Garzón, García-Melo, Villa-Navarro, Mirande & Lima, 2019 | |
| Pristella maxillaris | (Ulrey, 1894) | X-ray tetra |
| Prodontocharax alleni | Böhlke, 1953 | |
| Prodontocharax howesi | (Fowler, 1940) | |
| Prodontocharax melanotus | Pearson, 1924 | |
| Protocheirodon pi | (Vari, 1978) | |
| Psalidodon anisitsi | (Eigenmann, 1907) | Buenos Aires tetra |
| Psalidodon bifasciatus | (Garavello & Sampaio, 2010) | |
| Psalidodon bockmanni | (Vari & Castro, 2007) | |
| Psalidodon chico | (Casciotta & Almirón, 2004) | |
| Psalidodon correntinus | (Holmberg, 1891) | |
| Psalidodon dissensus | (Lucena & Thofehrn, 2013) | |
| Psalidodon eigenmanniorum | (Cope, 1894) | |
| Psalidodon endy | (Mirande, Aguilera & Azpelicueta, 2006) | |
| Psalidodon erythropterus | (Holmberg, 1891) | |
| Psalidodon fasciatus | (Cuvier, 1819) | Banded astyanax |
| Psalidodon gymnodontus | Eigenmann, 1911 | |
| Psalidodon gymnogenys | (Eigenmann, 1911) | |
| Psalidodon hermosus | (Miquelarena, Protogino & López, 2005) | |
| Psalidodon ita | (Almirón, Azpelicueta & Casciotta, 2002) | |
| Psalidodon jequitinhonhae | (Steindachner, 1877) | |
| Psalidodon leonidas | (Azpelicueta, Casciotta & Almirón, 2002) | |
| Psalidodon marionae | (Eigenmann, 1911) | |
| Psalidodon ojiara | (Azpelicueta & Garcia, 2000) | |
| Psalidodon pampa | (Casciotta, Almirón & Azpelicueta, 2005) | |
| Psalidodon parahybae | (Eigenmann, 1908) | |
| Psalidodon paranae | (Eigenmann, 1914) | |
| Psalidodon pellegrini | (Eigenmann, 1907) | |
| Psalidodon powelli | (Terán, Butí & Mirande, 2017) | |
| Psalidodon puka | (Mirande, Aguilera & Azpelicueta, 2007) | |
| Psalidodon pynandi | (Casciotta, Almirón, Bechara, Roux & Ruíz Díaz, 2003) | |
| Psalidodon rivularis | (Lütken, 1875) | |
| Psalidodon rutilus | (Jenyns, 1842) | |
| Psalidodon schubarti | (Britski, 1964) | |
| Psalidodon troya | (Azpelicueta, Casciotta & Almirón, 2002) | |
| Psalidodon tumbayaensis | (Miquelarena & Menni, 2005) | |
| Psalidodon xavante | (Garutti & Venere, 2009) | |
| Psalidodon xiru | (Lucena, Castro & Bertaco, 2013) | |
| Psellogrammus kennedyi | (Eigenmann, 1903) | |
| Pseudochalceus bohlkei | Orcés V., 1967 | |
| Pseudochalceus kyburzi | Schultz, 1966 | |
| Pseudochalceus lineatus | Kner, 1863 | |
| Pseudochalceus longianalis | Géry, 1972 | |
| Pseudocheirodon arnoldi | (Boulenger, 1909) | |
| Pseudocheirodon terrabae | Bussing, 1967 | |
| Pseudocorynopoma doriae | Perugia, 1891 | Dragonfin tetra |
| Pseudocorynopoma heterandria | Eigenmann, 1914 | |
| Pseudocorynopoma stanleyi | Malabarba, Chuctaya, Hirschmann, Oliveira & Thomaz, 2020 | Clear-finned dragonfin tetra |
| Pterobrycon landoni | Eigenmann, 1913 | |
| Pterobrycon myrnae | Bussing, 1974 | Semaphore tetra |
| Ptychocharax rhyacophila | Weitzman, Fink, Machado-Allison & Royero L., 1994 | |
| Rachoviscus crassiceps | Myers, 1926 | |
| Rachoviscus graciliceps | Weitzman & Cruz, 1981 | |
| Rhinobrycon negrensis | Myers, 1944 | |
| Rhinopetitia myersi | Géry, 1964 | |
| Rhinopetitia potamorhachia | Netto-Ferreira, Birindelli, Sousa & Menezes, 2014 | |
| Rhoadsia altipinna | Fowler, 1911 | |
| Rhoadsia minor | Eigenmann & Henn, 1914 | |
| Roeboexodon geryi | Myers, 1960 | |
| Roeboexodon guyanensis | (Puyo, 1948) | |
| Roeboides affinis | (Günther, 1868) | |
| Roeboides araguaito | Lucena, 2003 | |
| Roeboides biserialis | (Garman, 1890) | |
| Roeboides bouchellei | Fowler, 1923 | Crystal tetra |
| Roeboides bussingi | Matamoros, Chakrabarty, Angulo, Garita-Alvarado & McMahan, 2013 | |
| Roeboides carti | Lucena, 2000 | |
| Roeboides dayi | (Steindachner, 1878) | |
| Roeboides descalvadensis | Fowler, 1932 | Parana scale-eating characin |
| Roeboides dientonito | Schultz, 1944 | |
| Roeboides dispar | Lucena, 2001 | |
| Roeboides guatemalensis | (Günther, 1864) | Guatemalan headstander |
| Roeboides ilseae | Bussing, 1986 | |
| Roeboides loftini | Lucena, 2011 | |
| Roeboides margareteae | Lucena, 2003 | |
| Roeboides microlepis | (Reinhardt, 1851) | |
| Roeboides myersii | Gill, 1870 | |
| Roeboides numerosus | Lucena, 2000 | |
| Roeboides occidentalis | Meek & Hildebrand, 1916 | |
| Roeboides oligistos | Lucena, 2000 | |
| Roeboides prognathus | (Boulenger, 1895) | |
| Roeboides sazimai | Lucena, 2007 | |
| Roeboides xenodon | (Reinhardt, 1851) | |
| Saccoderma hastata | (Eigenmann, 1913) | |
| Saccoderma melanostigma | Schultz, 1944 | |
| Saccoderma robusta | Dahl, 1955 | |
| Schultzites axelrodi | Géry, 1964 | |
| Scissor macrocephalus | Günther, 1864 | |
| Scopaeocharax atopodus | (Böhlke, 1958) | |
| Scopaeocharax rhinodus | (Böhlke, 1958) | |
| Serrabrycon magoi | Vari, 1986 | |
| Serrapinnus aster | Malabarba & Jerep, 2014 | |
| Serrapinnus calliurus | (Boulenger, 1900) | |
| Serrapinnus gracilis | (Géry, 1960) | |
| Serrapinnus heterodon | (Eigenmann, 1915) | |
| Serrapinnus kriegi | (Schindler, 1937) | |
| Serrapinnus lucindai | Jerep & Malabarba, 2014 | |
| Serrapinnus microdon | (Eigenmann, 1915) | |
| Serrapinnus micropterus | (Eigenmann, 1907) | |
| Serrapinnus notomelas | (Eigenmann, 1915) | |
| Serrapinnus piaba | (Lütken, 1875) | |
| Serrapinnus potiguar | Jerep & Malabarba, 2014 | |
| Serrapinnus sterbai | Zarske, 2012 | |
| Serrapinnus tocantinensis | Malabarba & Jerep, 2014 | |
| Serrapinnus zanatae | Jerep, Camelier & Malabarba, 2016 | |
| Spintherobolus ankoseion | Weitzman & Malabarba, 1999 | |
| Spintherobolus broccae | Myers, 1925 | |
| Spintherobolus leptoura | Weitzman & Malabarba, 1999 | |
| Spintherobolus papilliferus | Eigenmann, 1911 | |
| Stygichthys typhlops | Brittan & Böhlke, 1965 | Blind tetra |
| Stethaprion crenatum | Eigenmann, 1916 | |
| Stethaprion erythrops | Cope, 1870 | |
| Stichonodon insignis | (Steindachner, 1876) | |
| Thayeria boehlkei | Weitzman, 1957 | Blackline penguinfish |
| Thayeria ifati | Géry, 1959 | |
| Thayeria obliqua | Eigenmann, 1908 | Penguinfish |
| Tetragonopterus anostomus | Silva & Benine, 2011 | |
| Tetragonopterus araguaiensis | Silva, Melo, Oliveira & Benine, 2013 | |
| Tetragonopterus argenteus | Cuvier, 1816 | |
| Tetragonopterus carvalhoi | Melo, Benine, Mariguela & Oliveira, 2011 | |
| Tetragonopterus chalceus | Spix & Agassiz, 1829 | |
| Tetragonopterus daguae | (Eigenmann, 1913) | |
| Tetragonopterus denticulatus | Silva, Melo, Oliveira & Benine, 2013 | |
| Tetragonopterus franciscoensis | Silva, Melo, Oliveira & Benine, 2016 | |
| Tetragonopterus georgiae | (Géry, 1965) | |
| Tetragonopterus juruena | Silva, Melo, Oliveira & Benine, 2016 | |
| Tetragonopterus kuluene | Silva, Melo, Oliveira & Benine, 2016 | |
| Tetragonopterus ommatus | Silva, Melo, Oliveira & Benine, 2016 | |
| Tetragonopterus rarus | (Zarske, Géry & Isbrücker, 2004) | |
| Tetragonopterus signatus | Burmeister, 1861 | |
| Thrissobrycon pectinifer | Böhlke, 1953 | |
| Trochilocharax ornatus | Zarske, 2010 | |
| Tucanoichthys tucano | Géry & Römer, 1997 | |
| Tyttobrycon dorsimaculatus | Géry, 1973 | |
| Tyttobrycon hamatus | Géry, 1973 | |
| Tyttobrycon marajoara | Marinho, Bastos & Menezes, 2013 | |
| Tyttobrycon spinosus | Géry, 1973 | |
| Tyttobrycon xeruini | Géry, 1973 | |
| Tyttocharax cochui | (Ladiges, 1950) | |
| Tyttocharax madeirae | Fowler, 1913 | Blackedge tetra |
| Tyttocharax metae | Román-Valencia, García-Alzate, Ruiz-C. & Taphorn, 2012 | |
| Tyttocharax tambopatensis | Weitzman & Ortega, 1995 | |
| Varicharax nigrolineatus | Vanegas-Ríos, Faustino-Fuster, Meza-Vargas & Ortega, 2020 | |
| Xenagoniates bondi | Myers, 1942 | |
| Xenurobrycon coracoralinae | Moreira, 2005 | |
| Xenurobrycon heterodon | Weitzman & Fink, 1985 | |
| Xenurobrycon macropus | Myers & Miranda Ribeiro, 1945 | |
| Xenurobrycon polyancistrus | Weitzman, 1987 | |
| Xenurobrycon pteropus | Weitzman & Fink, 1985 | |
| Xenurobrycon varii | Mendonça, Peixoto, Dutra & Netto-Ferreira, 2016 |