| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Am-nok | River (basin) | questionable | 51717 |
| Amur | River (basin) | questionable | 51717 |
| Beaufort Sea | Sea/Bay/Gulf | native | 118001 |
| Central Arctic | Sea/Bay/Gulf | native | 5723 |
| Chukchi Sea | Sea/Bay/Gulf | native | 121277 |
| Doo-man | River (basin) | questionable | 51717 |
| Fraser | River (basin) | native | 78809 |
| Gulf of Alaska | Sea/Bay/Gulf | native | 11377 |
| Hecate Strait | Sea/Bay/Gulf | native | 95143 |
| Juan de Fuca Strait | Sea/Bay/Gulf | native | 6885 |
| Kuroshio Current | Sea/Bay/Gulf | native | 559 |
| Mackenzie | River (basin) | native | 78981 |
| Nearctic | Zoogeographic realm | native | 27436 |
| Northern Bering - Chukchi Seas | Sea/Bay/Gulf | native | 5723 |
| Oyashio Current | Sea/Bay/Gulf | native | 37812 |
| Pacific Coastal Complex | River (basin) | native | 81264 |
| Pacific Ocean | Sea/Bay/Gulf | native | 6885 |
| Palearctic | Zoogeographic realm | native | 5723 |
| Puget Sound | Sea/Bay/Gulf | native | 6885 |
| Salish Sea | Sea/Bay/Gulf | native | 6885 |
| Sea of Japan/East Sea | Sea/Bay/Gulf | native | 559 |
| Sea of Okhotsk | Sea/Bay/Gulf | native | 50550 |
| Strait of Georgia | Sea/Bay/Gulf | native | 6885 |
| Yukon | River (basin) | native | 78812 |