| Common name | Jacundá açu |
| Language | Portuguese |
| Dialect | Tupi-guarani |
| Type | Vernacular |
| Official trade name | No |
| Rank | 3 - (Other common name) |
| Country | Brazil |
| Locality | |
| Ref. | Santos, E., 1981 |
| Life stage | juveniles and adults |
| Sex | females and males |
| Core | morphology |
| 1st modifier | mod. for size |
| 2nd modifier | |
| Remarks | Jacundá = from 'ya-cundá' = Retwisted (Bueno, 1998) + açu = grande |