Wanderlust World Wanderlust World The Southern Ocean surrounding Antarctica hosts eight major whale species. Size varies dramatically—from the colossal blue whale to the relatively small minke. All measurements represent maximum recorded adults; averages are 10–20% lower.
| Species | Max Length | Max Weight | IUCN Status | Antarctic Population Est. |
|---|---|---|---|---|
| Blue Whale (B. musculus intermedia) | 30 m (98 ft) | 181 t (200 tons) | Endangered | ~2,300 (Antarctic subspecies) |
| Fin Whale | 25 m (82 ft) | 73 t (80 tons) | Vulnerable | ~15,000 |
| Southern Right Whale | 18 m (59 ft) | 54 t (60 tons) | Least Concern | ~4,000 |
| Humpback Whale | 16 m (52 ft) | 36 t (40 tons) | Least Concern | ~30,000 (Area V/VI) |
| Sei Whale | 19 m (62 ft) | 23 t (25 tons) | Endangered | ~5,000 |
| Sperm Whale (males) | 18 m (59 ft) | 45 t (50 tons) | Vulnerable | Seasonal visitors |
| Minke Whale (Antarctic B. bonaerensis) | 10 m (33 ft) | 14 t (15 tons) | Near Threatened | ~500,000 (est.) |
| Killer Whale / Orca (Type A) | 9.5 m (31 ft) | 6 t (6.6 tons) | Data Deficient | Circumpolar |
Antarctic whales are krill-dependent giants—their recovery from 20th-century whaling (2M+ killed) remains the Southern Ocean's defining conservation story.