| Common name | Baiacu |
| Language | Portuguese |
| Dialect | Tupi |
| Type | Vernacular |
| Official trade name | No |
| Rank | 3 - (Other common name) |
| Country | Brazil |
| Locality | |
| Ref. | Rosa, R.S., 1980 |
| Life stage | juveniles and adults |
| Sex | females and males |
| Core | primary lexeme |
| 1st modifier | |
| 2nd modifier | |
| Remarks | Small poisonous fish (Bueno, 1998) |