| Average Lifespan | 15- 20 years |
| Average weight | Male weight-130-215kg female-160- 200 kg |
| Average length | Male: 1.7 to 2.1 meters Female:2 to 2.4 meters |
| Where there from | Southern ocean, around the coast of Antarctic |
| are females or males larger | Females |
| diet | Lanternfish, Antarctic silverfish, and squid also creations like Antatctic krill |
| are they vocal | Yes, they sound like a siren |
