Region
- Brazil 14 results
- Amazon River 3 results
- Amazon River Valley 1 results
- Amazonas 1 results
- Argentina 1 results
- Chile 1 results
- Ecuador 1 results
- New Zealand 1 results
- Oceania 1 results
- Parana de Las Palmas River 1 results
- Paraná River (Brazil-Argentina) 1 results
- Peru 1 results
- Rio de la Plata 1 results
- São Francisco River (Minas Gerais-Alagoas and Sergipe, Brazil) 1 results
- United States 1 results
- Uruguay 1 results
- Uruguay River 1 results
- Venezuela 1 results