| Common name | Acaraú-açu |
| Language | Portuguese |
| Type | Vernacular |
| Official trade name | No |
| Rank | 3 - (Other common name) |
| Territory | 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'; 'acaraú', i.e., variant of Tupi word 'acará' for a kind of fish. |