| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Central Arctic | Sea/Bay/Gulf | native | 43202 |
| Great Lakes | Lake | native | 37032 |
| Mackenzie | River (basin) | native | 78982 |
| Nearctic | Zoogeographic realm | native | 27547 |
| Nelson-Saskatchewan | River (basin) | native | 78981 |
| Neotropical | Zoogeographic realm | introduced | 5723 |