Čeleď: Characidae Latreille, 1825
Rod: Astyanax Baird & Girard, 1854
Tetragonopterus humilis Günther, 1864; Tetragonopterus microphthalmus Günther, 1864.
tetra zelená
7,5 cm.
Günther, A. 1860. On new reptiles and fishes from Mexico. Proc. Zool. Soc. Lond. 1860 (pt 2): 316-319.