| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Amazon | River (basin) | native | 5723 |
| Ethiopian | Zoogeographic realm | introduced | 1739 |
| Nearctic | Zoogeographic realm | introduced | 1739 |
| Neotropical | Zoogeographic realm | endemic | 36377 |
| Oriental | Zoogeographic realm | introduced | 38466 |
| Orinoco | River (basin) | questionable | 5723 |