African tetras (family Alestidae, formerly spelled Alestiidae) are a group of characiform fish exclusively found in Africa. This family contains about 18 genera and 119 species. Among the best known members are the Congo tetra, and African tigerfish. Taxonomy Taxonomy based on Van der Laan 2017 and Nelson, Grande & Wilson 2016. Family Alestiidae Cockerell 1910 Genus †Alestoides Monod & Gaudant 1998 Genus †Arabocharax Micklich & Roscher 1990 Genus †Bunocharax Van Neer 1994 Genus †Eurocharax Gaudant 1980 Genus †Mahengecharax Murray 2003 Genus †Sindacharax Greenwood & Howes 1975 Genus Brycinus Valenciennes 1850 [Brycinus macrolepidotus species-group] Subfamily Bryconaethiopinae Hoedeman 1951 Genus Bryconaethiops Günther 1873 Genus Brachyalestes Günther 1864 [Brycinus nurse species-group] Subfamily Petersiinae Poll 1967 Genus Alestopetersius Hoedeman 1951 [Duboisialestes Poll 1967] Genus Bathyaethiops Fowler 1949 Genus Brachypetersius (Fowler 1956) Genus Clupeocharax Pellégrin 1926 Genus Nannopetersius (Hoedeman 1956) Genus Petersius Hilgendorf 1894 Genus Phenacogrammus Eigenmann 1907 Genus Tricuspidalestes Poll 1967 Subfamily Alestinae Roberts 1969 Genus Alestes Müller & Troschel 1844 Genus Bryconalestes Hoedeman 1951 [Brycinus longipinnis species-group] Genus Hemigrammopetersius Pellégrin 1926 Genus Hydrocynus (Cuvier 1816) Genus Ladigesia Géry 1968 Genus Micralestes Boulenger 1899 Genus Rhabdalestes (Hoedeman 1951) References Ray-finned fish families