| Common name | Barrigudinho |
| Language | Portuguese |
| Dialect | French |
| Type | Vernacular |
| Official trade name | No |
| Rank | 2 - (Preferred common name (unique)) |
| Country | Brazil |
| Locality | |
| Ref. | Becker, F.G., K.M. Grosser, P.C.C. Milani and A.S. Braun, 2006 |
| Life stage | juveniles and adults |
| Sex | females and males |
| Core | morphology |
| 1st modifier | mod. for size |
| 2nd modifier | |
| Remarks | Barrigudo = with a big belly + -inho = suffix indicating small size Name applied to Jenynsia multidentata. |