Size: average 6.0 meter (20 ft.);

Depth: 500 meters (1,600 ft.) or shallower

Habitat: North America, Asia, Northern Pacific, continental shelves, open ocean

Diet: Pelagic schooling fish, squid, cuttlefish, crustacea & occasionally sea birds

Reproduction: Ovoviviparous, gestation period 10-12 months, 2-4 pups

Sexual maturity: around 3.0 meter (10 ft.); around 13-14 years of age