The Sea Otter is the only otter species found in both the New World and the Old World.
This species is limited to extreme eastern Asia along the Japanese island chain and north to waters off the Kamchakta Peninsula of eastern Russia. The Sea Otter inhabits the Aleutian Islands chain and extends southward along the eastern Pacific Ocean to central California.
Sea otters have weakly retractile claws on their front paws
Their fur has more than a million fibres per square inch
Sea otters regularly drink sea water and have large kidneys to cope with it
