Sea Otters live in the Northern Pacific waters along Japan, Siberia, and the Aleutian Chain. The also inhibit the waters down the coasts of Alaska, British Columbia, Washington, Oregon, and California. There have been sightings of Sea Otters in Mexico as well, but a majority of them coincide in the shallow waters of Alaska.
Their geographic range spreads north and south depending on the season. Sea Otters migrate to different ocean areas because food is becoming more scarce for them. They move south during the winter and spring and back up north for the other two seasons. Moving south means they'll be closer to oil and gas developments and they'll come in contact with more shellfish fishers.
The current population of the Sea Otter is around 125,831 worldwide, which is quite low considering their population being over 1 million before the 1700s.
The population in Alaska during 1973 was around 100,000-125,000. As of 2013, the Sea Otter population dropped to about 89,073. The over all population numbers continue to decline. The growth rate is significantly low at less than 1% annually.
Their diet consists of clams, crabs, snails, starfish, abalone, and approximately 40 more small marine animals.