Open 9 am - 6 pm
A northern sea otter floats on its back in the water, with its head resting on some rockwork above the surface. Its brown fur is glistening in the water, and long white whiskers are visible around its nose.

Northern sea otter

Enhydra lutris kenyoni
Where at Shedd?
Abbott Oceanarium
Diet Clams, mussels, urchins, abalone, fishes and octopuses
Size Males: 47 - 60 inches (120 - 150 cm); 65 - 70 pounds. Females: 39 - 55 inches (100 - 140 cm); 45 - 50 pounds
Type Mammals
Range Northern Pacific Ocean from Japan through Alaska and Canada to California, United States
Habitat Rocky coasts and kelp forests

About the Northern sea otter

The sea otters are the best-groomed animals at Shedd — and in the ocean. It’s a matter of survival. Instead of blubber to keep them warm, these marine mammals have the densest fur of any animal — up to 1 million hairs per square inch.

Did you know?

  1. Sea otters have the bite force of a black bear that allows them to crack open the hard shells of crabs, clams and other food.

  2. Sea otters are classified as endangered by the International Union for the Conservation of Nature (IUCN) and are safeguarded by the Marine Mammal Protection Act.

  3. A group of resting otters is called a raft.


IUCN Red List Conservation Status