| Minimum | Potential | Annual | ||
| Stock | population | biological | human-caused | |
| Species | area | estimate | removal level | mortality |
| No. Atlantic right whale | W. No. Atlantic | 295 | 0.4 | 2.3 |
| Humpback whale | W. No. Atlantic | 10,019 | 32.6 | 5.7 |
| Fin whale | W. No. Atlantic | 1,704 | 3.4 | 0.5 |
| Sei whale | W. No. Atlantic | na | na | na |
| Minke whale | E. Coast Canada | 2,145 | 21.0 | 0.8 |
| Blue whale | W. No. Atlantic | na | na | na |
| Sperm whale | W. No. Atlantic | 1,617 | 3.2 | 0.0 |
| Dwarf sperm whale | W. No. Atlantic | na | na | 0.2 |
| Pygmy sperm whale | W. No. Atlantic | na | na | na |
| Killer whale | W. No. Atlantic | na | na | 0.0 |
| Pygmy killer whale | W. No. Atlantic | 6 | 0.1 | 0.0 |
| Northern bottlenose whale | W. No. Atlantic | na | na | 0.0 |
| Cuvier’s beaked whale | W. No. Atlantic | 895 | 8.9 | 9.7 |
| Mesoplodont beaked whale | W. No. Atlantic | 895 | 8.9 | 9.7 |
| Risso’s dolphin | W. No. Atlantic | 11,140 | 111.0 | 18.0 |
| Pilot whale (long-finned) | W. No. Atlantic | 4,968 | 50.0 | 32.0 |
| Pilot whale (short-finned) | W. No. Atlantic | 457 | 4.6 | 32.0 |
| Atlantic white-sided dolphin | W. No. Atlantic | 19,196 | 192.0 | 218.0 |
| White-beaked dolphin | W. No. Atlantic | na | na | 0.0 |
| Common dolphin | W. No. Atlantic | 15,470 | 155.0 | 247.0 |
| Atlantic spotted dolphin | W. No. Atlantic | 1,617 | 16.0 | 16.0 |
| Pantropical spotted dolphin | W. No. Atlantic | 1,617 | 16.0 | 16.0 |
| Stripped dolphin | W. No. Atlantic | 18,220 | 182.0 | 11.0 |
| Spinner dolphin | W. No. Atlantic | na | na | 0.3 |
| Bottlenose dolphin | Mid-Atl. offshore | 8,794 | 88.0 | 58.0 |
| Bottlenose dolphin | Mid-Atl. coastal | 2,482 | 25.0 | 29.0 |
| Harbor porpoise | Gulf of Maine* | 48,289 | 483.0 | 1,667.0 |
| Harbor seal | W. No. Atlantic | 30,990 | 1,859.0 | 898.0 |
| Gray seal | N. W. No. Atlantic | 2,010 | 121.0 | 41.0 |
| Harp seal | N. W. No. Atlantic | na | na | 329.0 |
| Hooded seal | N. W. No. Atlantic | na | na | 5.6 |
| Sperm whale | N. Gulf of Mexico | 411 | 0.8 | 0.0 |
| Bryde’s whale | N. Gulf of Mexico | 17 | 0.2 | 0.0 |
| Cuvier’s beaked whale | N. Gulf of Mexico | 20 | 0.2 | 0.0 |
| Blainsville’s beaked whale | N. Gulf of Mexico | na | na | 0.0 |
| Gervais’ beaked whale | N. Gulf of Mexico | na | na | 0.0 |
| Bottlenose dolphin | G. of Mexico OCS | 43,233 | 432.0 | 2.8 |
| Bottlenose dolphin | G. of Mexico S&S | 4,530 | 45.0 | 2.8 |
| Bottlenose dolphin | W. G. of Mexico coast | 2,938 | 29.0 | 13.0 |
| Bottlenose dolphin | E. G. of Mexico coast | 8,963 | 90.0 | 8.0 |
| Bottlenose dolphin | N. G. of Mexico coast | 3,518 | 35.0 | 10.0 |
| Bottlenose dolphin | G. of Mexico inland** | 3,933 | 39.7 | 30.0 |
| Atlantic spotted dolphin | N. Gulf of Mexico | 2,255 | 23.0 | 1.5 |
| Pantropical spotted dolphin | N. Gulf of Mexico | 26,510 | 265.0 | 1.5 |
| Stripped dolphin | N. Gulf of Mexico | 3,409 | 34.0 | 0.0 |
| Spinner dolphin | N. Gulf of Mexico | 4,465 | 45.0 | 0.0 |
| Rough-toothed dolphin | N. Gulf of Mexico | 660 | 6.6 | 0.0 |
| Clymene dolphin | N. Gulf of Mexico | 4,120 | 41.0 | 0.0 |
| Fraser’s dolphin | N. Gulf of Mexico | 66 | 0.7 | 0.0 |
| Killer whale | N. Gulf of Mexico | 197 | 2.0 | 0.0 |
| False killer whale | N. Gulf of Mexico | 236 | 2.4 | 0.0 |
| Pygmy killer whale | N. Gulf of Mexico | 285 | 2.8 | 0.0 |
| Dwarf sperm whale | N. Gulf of Mexico | na | na | na |
| Pygmy sperm whale | N. Gulf of Mexico | na | na | na |
| Melon-headed whale | N. Gulf of Mexico | 2,888 | 29.0 | 0.0 |
| Risso’s dolphin | N. Gulf of Mexico | 2,199 | 22.0 | 19.0 |
| Pilot whale (short-finned) | N. Gulf of Mexico | 186 | 1.9 | 0.3 |
| West Indian manatee | Florida | na | na | na |
| West Indian manatee | Antillean | na | 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: na = not available. Nine species of marine mammals in the Atlantic Region and Gulf of Mexico have Endangered Species Act status: North Atlantic right whale (endangered); Humpback whale (endangered); Fin whale (endangered); Sei whale (endangered); Blue whale (endangered); North Atlantic sperm whale (endangered); Gulf of Mexico sperm whale (endangered); Florida West Indian manatee (endangered); and Antillean West Indian manatee (endangered). One marine mammal species in the Atlantic Region and Gulf of Mexico has Marine Mammal Protection Act status: Mid-Atlantic coastal bottlenose dolphin (depleted).
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