| Common name | Acará-açu |
| Language | Portuguese |
| Type | Vernacular |
| Official trade name | No |
| Rank | 3 - (Other common name) |
| Country | Brazil |
| Locality | |
| Ref. | Ferreira, A.B.H., 1986 |
| Life stage | juveniles and adults |
| Sex | females and males |
| Core | primary lexeme |
| 1st modifier | mod. for size |
| 2nd modifier | |
| Remarks | 'açu', i.e., 'large', 'acará', i.e., Tupi word for a kind of fish. Also spelled as "Acara açu" (Ref. 35237). |