| Minimum | Potential | Annual | ||
| Stock | population | biological | human-caused | |
| Species | area | estimate | removal level | mortality |
| Sperm whale | CA/OR/WA | 896 | 1.8 | 4.5 |
| Humpback whale | CA/OR/WA/Mexico | 563 | 0.5 | 1.8 |
| Blue whale | CA/Mexico | 1,463 | 1.5 | 0.2 |
| Fin whale | CA/OR/WA | 747 | 1.5 | <1.0 |
| Brydes whale | E. Trop. Pacific | 11,163 | 0.2 | 0.0 |
| Sei whale | E. North Pacific | na | na | 0.0 |
| Minke whale | CA/OR/WA | 122 | 1.0 | 1.2 |
| Harbor porpoise | Central CA | 3,431 | 33.0 | 14.0 |
| Harbor porpoise | N. California | 7,640 | 76.0 | 0.0 |
| Harbor porpoise | OR/WA coastal | 22,046 | 212.0 | 13.0 |
| Harbor porpoise | Inland WA | 2,681 | 21.0 | 15.0 |
| Dall’s porpoise | CA/OR/WA | 34,393 | 330.0 | 22.0 |
| Pacific white-sided dolphin | CA/OR/WA | 82,939 | 796.0 | 22.0 |
| Risso’s dolphin | CA/OR/WA | 22,388 | 224.0 | 37.0 |
| Bottlenose dolphin | CA coastal | 134 | 1.3 | 0.0 |
| Bottlenose dolphin | CA/OR/WA offshore | 1,904 | 15.0 | 4.4 |
| Striped dolphin | CA/OR/WA | 19,248 | 154.0 | 1.2 |
| Common dolphin (short-beaked) | CA/OR/WA | 309,717 | 3,097.0 | 272.0 |
| Common dolphin (long-beaked) | California | 5,504 | 53.0 | 14.0 |
| No. right whale dolphin | CA/OR/WA | 15,080 | 151.0 | 47.0 |
| Killer whale | CA/OR/WA | 436 | 3.5 | 1.2 |
| Killer whale | So. resident stock | 96 | 1.9 | 0.0 |
| Pilot whale (short-finned) | CA/OR/WA | 741 | 5.9 | 13.0 |
| Baird’s beaked whale | CA/OR/WA | 252 | 2.0 | 1.2 |
| Mesoplodont beaked whale | CA/OR/WA | 1,169 | 11.0 | 9.2-13.0 |
| Cuvier’s beaked whale | CA/OR/WA | 6,070 | 61.0 | 28.0 |
| Pygmy sperm whale | CA/OR/WA | 2,059 | 19.0 | 2.8 |
| Dwarf sperm whale | CA/OR/WA | na | na | 0.0 |
| Brydes whale | Hawaii | na | na | na |
| Blue whale | Hawaii | na | na | na |
| Fin whale | Hawaii | na | na | na |
| Pygmy killer whale | Hawaii | na | na | na |
| Pilot whale (short finned) | Hawaii | na | na | na |
| Risso’s dolphin | Hawaii | na | na | na |
| Killer whale | Hawaii | na | na | na |
| Melon-headed whale | Hawaii | na | na | na |
| False killer whale | Hawaii | na | na | na |
| Pantropical spotted dolphin | Hawaii | na | na | na |
| Stripped dolphin | Hawaii | na | na | na |
| Spinner dolphin | Hawaii | 677 | 6.8 | na |
| Rough-toothed dolphin | Hawaii | na | na | na |
| Bottlenose dolphin | Hawaii | na | na | na |
| Pygmy sperm whale | Hawaii | na | na | na |
| Dwarf sperm whale | Hawaii | na | na | na |
| Sperm whale | Hawaii | na | na | na |
| Cuvier’s beaked whale | Hawaii | na | na | na |
| Blainville’s beaked whale | Hawaii | na | na | na |
| California sea lion | U.S. | 111,339 | 6,680.0 | 974.0 |
| Harbor seal | California | 27,962 | 1,678.0 | 243.0 |
| Harbor seal | WA inland | 15,349 | 921.0 | 36.0 |
| Harbor seal | OR/WA coastal | 25,665 | 1,540.0 | 15.0 |
| Northern elephant seal | CA breeding | 51,625 | 2,142.0 | 145.0 |
| Northern fur seal | San Miguel Is. | 5,018 | 216.0 | 0.0 |
| Guadalupe fur seal | Mexico to CA | 3,028 | 104.0 | 0.0 |
| Hawaiian monk seal | Hawaii | 1,431 | 4.3 | na |
| Sea otter | CA | 2,376 | na | na |
| Sea otter | WA | 360 | na | na |
Source: U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Our Living Oceans, Report on the Status of U.S. Living Marine Resources, 1999, NOAA Technical Memorandum NMFS-F/SPO-41 (GPO, Washington, DC, 1999).
Notes: Three species of marine mammals in the Pacific Region and Hawaii have Endangered Species Act status: Sperm whale (endangered); Guadalupe fur seal (threatened); and Hawaiian monk seal (endangered). Two species of marine mammals in the Pacific Region and Hawaii have Marine Mammal Protection Act status: Northeastern spotted dolphin (depleted) and Eastern spinner dolphin (depleted).
Last Updated on 4/18/2000