Aphyocharax is a genus of characins from South America, specifically the Amazon, Orinoco, Essequibo, Paraguay and Paraná basins. The 12 currently described species in this genus are: \n* Aphyocharax agassizii (Steindachner, 1882) \n* Aphyocharax alburnus (Günther, 1869) (goldencrown tetra) \n* Aphyocharax anisitsi C. H. Eigenmann & C. H. Kennedy, 1903 (bloodfin tetra) \n* Aphyocharax colifax Taphorn & Thomerson, 1991 \n* Aphyocharax dentatus C. H. Eigenmann & C. H. Kennedy, 1903 \n* Aphyocharax erythrurus C. H. Eigenmann, 1912 (flame tail tetra) \n* Aphyocharax gracilis Fowler, 1940 \n* Aphyocharax nattereri (Steindachner, 1882) \n* Aphyocharax paraguayensis C. H. Eigenmann, 1915 (dawn tetra) \n* Aphyocharax pusillus Günther, 1868 \n* Aphyocharax rathbuni C. H. Eigenmann, 1907 (redflank bl