| Reference no. | Rice, D.W., 1998 |
| Ecosystem | Rio de la Plata |
| Status | native |
| Abundance | |
| Lifestage | adults |
| Regional database | |
| Remarks | Reported as Lutra canadensis enudris as far south as Buenos Aires, as Lutra canadensis longicaudis in the northeastern part and as Lutra canadensis provocax in Tierra del Fuego and Río Negro. |