| Common name | Pirá-acá |
| Language | Portuguese |
| Dialect | Tupi-guarani |
| Type | Vernacular |
| Official trade name | No |
| Rank | 3 - (Other common name) |
| Country | Brazil |
| Locality | |
| Ref. | Nomura, H., 1984 |
| Life stage | juveniles and adults |
| Sex | females and males |
| Core | primary lexeme |
| 1st modifier | morphology |
| 2nd modifier | |
| Remarks | Pirá = fish with no scales + acá = savage Brazilian tree (Tibiriçá, 1984); acá also could be a variation of aca = bitter or with horns (Bueno, 1998) |