| Average Lifespan | 30 years |
| Average weight | Male weight-400- 450kg female-400-450 kg |
| Average length | Male: 2.9 meters Female:3.3 meters |
| Where there from | Antarctic and sub-Antarctic waters |
| are females or males larger | female |
| diet | Mainly fish, squid, krill |
| are they vocal | Yes, very vocal can even heard under the ice. |
