| Citation | Araujo, L.B.S. and P.H.F. Lucinda, 2014, A new species of the genus Tetragonopterus Cuvier, 1816 (Ostariophysi: Characiformes: Characidae) from the rio Tocantins drainage, Brazil.. Neotrop. Ichthyol. 12(2):309-315. |
| Fonte Biblio. | 96868 Araujo, L.B.S. and P.H.F. Lucinda, 2014 |
| Page | 310;figs.1-2 |
| Named Used as Valid | Tetragonopterus akamai |
| Comment | max length; |
| Località | Brazil, Tocantins, Peixe, rio Tocantins close to confluence with rio Santa Tereza, MCP 48033. |
| Distribuzione | South America: Brazil (upper and middle portions of the rio Tocantins drainage). |
| Quote | 6.1 cm SL |