Čeleď: Characidae Latreille, 1825
Rod: Hemigrammus Gill, 1858
tetra modrá
Eigenmann, C. H. 1908. Preliminary descriptions of new genera and species of tetragonopterid characins. (Zoölogical Results of the Thayer Brazilian expedition.). Bulletin of the Museum of Comparative Zoology v. 52 (no. 6): 91-106.