| Common name | Mocinha do peito fino |
| Language | Portuguese |
| Dialect | Unknown |
| Type | Vernacular |
| Official trade name | No |
| Rank | 3 - (Other common name) |
| Country | Brazil |
| Locality | |
| Ref. | Begossi, A., R.A.M. Silvano, B.D. do Amaral and O.T. Oyakawa, 1999 |
| Life stage | juveniles and adults |
| Sex | females and males |
| Core | person (generic) |
| 1st modifier | mod. for size |
| 2nd modifier | morphology |
| Remarks | Moça = girl + -inha = suffix indicating small + peito fino = thin breast |