Diet
Otters eat sea urchins, crabs, clams, mussels, octopus, fish, and other marine invertebrates.
- Family life: Sea otters are basically solitary, but in Alaska they aggregate in large groups of as many
as
2,000 animals
- Population: Historically, sea otters numbered between 150,000 and 300,000 animals throughout the Pacific
Rim. The southern sea otter population, which once numbered about 16,000 animals, is hovering around
3,000
today
- Sea otters are endangered
- Life Span: 10-15 males 15-20 females
- Size: The southern sea otter measures up to 4 feet (1.2 m) in length; females weigh up to 50 pounds (23
kg)
and males up to 70 pounds (32 kg). Northern sea otters are larger, up to 70 pounds (32 kg) for females
and
100 pounds (45 kg) for males.