(
Astyanax mexicanus) is the northernmost-living characiform, and has both surface and blind cave-dwelling morphs (
Paracheirodon innesi) (
Hyphessobrycon megalopterus) The following taxonomy is based on ''
Eschmeyer's Catalog of Fishes'': Family
Acestrorhamphidae •
Subfamily Oxybryconinae Melo,
Mattox &
Oliveira, 2024 •
Oxybrycon Géry, 1964 •
Subfamily Trochilocharacinae Melo, Mattox & Oliveira, 2024 (hummingbird characins) •
Trochilocharax Zarske, 2010 •
Subfamily Stygichthyinae Géry, 1972 •
Coptobrycon Géry, 1966 •
Deuterodon C. H. Eigenmann, 1907 •
Myxiops Zanata &
Akama, 2004 •
Stygichthys Brittan &
Böhlke, 1965 •
Subfamily Megalamphodinae Carvalho,
Lima & Melo, 2024 (red tetras) •
Axelrodia Géry, 1965 •
Brittanichthys Géry, 1965 •
Makunaima Terán,
Benitez &
Mirande, 2020 •
Megalamphodus C. H. Eigenmann, 1915 •
Paracheirodon Géry, 1960 •
Petitella Géry &
Boutière, 1964 • Subfamily
Stichonodontinae C. H. Eigenmann, 1910 •
Hasemania Ellis, 1911 •
Moenkhausia C. H. Eigenmann, 1903 •
Nematocharax Weitzman,
Menezes &
Britski, 1986 •
Stichonodon C. H. Eigenmann, 1903 •
Subfamily Stethaprioninae C. H. Eigenmann, 1907 (discus tetras) •
Brachychalcinus Boulenger, 1892 •
Ectrepopterus Fowler, 1943 •
Orthospinus Reis, 1989 •
Poptella C. H. Eigenmann, 1908 •
Stethaprion Cope, 1870 •
Subfamily Pristellinae Géry & Boutière, 1964 •
Hemigrammus Gill, 1858 •
Gymnocorymbus C. H. Eigenmann, 1908 •
Pristella C. H. Eigenmann, 1908 •
Subfamily Jupiabinae Benine &
Ota, 2024 •
Jupiaba Zanata, 1997 •
Subfamily Tyttobryconinae Mattox & Melo, 2024 •
Priocharax Weitzman & Vari, 1987 •
Tucanoichthys Géry &
Römer, 1997 •
Tyttobrycon Géry, 1973 •
Subfamily Hyphessobryconinae Lima, Carvalho &
Faria, 2024 (multicusp characins) •
Dinotopterygium Frainer, Carvalho,
Bertaco & Malabarba, 2021 •
Erythrocharax Netto-Ferreira,
Birindelli,
Sousa,
Mariguela &
Oliveira, 2013 •
Hyphessobrycon Durbin, 1908 •
Parecbasis C. H. Eigenmann, 1914 •
Phycocharax Ohara, Mirande & Lima, 2017 •
Subfamily Thayeriinae Ota,
Reia & Benine, 2024 •
Bario Myers, 1940 •
Bryconella Géry, 1965 •
Hollandichthys C. H. Eigenmann, 1909 •
Holopristis C. H. Eigenmann, 1903 •
Inpaichthys Géry &
Junk, 1977 •
Parapristella Géry, 1964 •
Rachoviscus Myers, 1926 •
Ramirezella Fernández-Yépez, 1949 •
Thayeria C. H. Eigenmann, 1908 •
Subfamily Rhoadsiinae Fowler, 1911 (Pacific characins) •
Carlana Strand, 1928 •
Nematobrycon C. H. Eigenmann, 1911 •
Parastremma C. H. Eigenmann, 1912 •
Pseudochalceus Kner, 1863 •
Rhoadsia Fowler, 1911 •
Subfamily Grundulinae Fowler, 1958 •
Astyanacinus C. H. Eigenmann, 1907 •
Grundulus Valenciennes, 1846 •
Subfamily Acestrorhamphinae C. H. Eigenmann, 1907 •
Andromakhe Terán, Benitez & Mirande, 2020 •
Astyanax Baird &
Girard, 1854 •
Ctenobrycon C. H. Eigenmann, 1908 •
Oligosarcus Günther, 1864 •
Psalidodon C. H. Eigenmann, 1911 == References ==