| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Australian | Zoogeographic realm | introduced | 1739 |
| Nearctic | Zoogeographic realm | native | 7419 |
| Palearctic | Zoogeographic realm | introduced | 5723 |
| Beaufort Sea | Sea/Bay/Gulf | native | 28503 |
| California Current | Sea/Bay/Gulf | native | 5723 |
| Central Arctic | Sea/Bay/Gulf | native | 5723 |
| Gulf of Alaska | Sea/Bay/Gulf | native | 5723 |
| Johnstone Strait | Sea/Bay/Gulf | native | 95146 |
| Juan de Fuca Strait | Sea/Bay/Gulf | native | 10989 |
| Kuroshio Current | Sea/Bay/Gulf | native | 559 |
| Northern Bering - Chukchi Seas | Sea/Bay/Gulf | native | 5723 |
| Oyashio Current | Sea/Bay/Gulf | native | 37812 |
| Pacific Ocean | Sea/Bay/Gulf | native | 5723 |
| Puget Sound | Sea/Bay/Gulf | native | 10989 |
| Salish Sea | Sea/Bay/Gulf | native | 10989 |
| Sea of Okhotsk | Sea/Bay/Gulf | native | 50550 |
| Strait of Georgia | Sea/Bay/Gulf | native | 10989 |
| Amur | River (basin) | native | 58298 |
| Fraser | River (basin) | native | 78809 |
| Klamath River | River (basin) | native | 96339 |
| Pacific Coastal Complex | River (basin) | native | 81264 |
| Sakhalin Island | River (basin) | native | 58299 |
| Yukon | River (basin) | native | 27547 |
| Great Lakes | Lake | introduced | 27547 |