| Average Lifespan | 25 years |
| Average weight | Both:200 to 250 kg |
| Average length | Both: average 2.5m |
| Where there from | Arctic and sub-arctic regions |
| are females or males larger | Females are slightly larger |
| diet | shrimps crabs along with cod and more |
| are they vocal | Yes, they can be heard from 12 miles away and can go on for 3 min |
