| Common name | Piraaca |
| Language | Portuguese |
| Dialect | Tupi-guarani |
| Type | Vernacular |
| Official trade name | No |
| Rank | 3 - (Other common name) |
| Country | Brazil |
| Locality | Northeastern Brazil |
| Ref. | Suzuki, C.R., 1986 |
| Life stage | juveniles and adults |
| Sex | females and males |
| Core | primary lexeme |
| 1st modifier | morphology |
| 2nd modifier | |
| Remarks | Pirá = fish with no scales+ aca = bitter or with horns (Bueno, 1998); also referred in Carvalho & Branco (1977) for Northeastern Brazil and in Szpilman (2000) |