Otter facts Sea Otter Facts Sea otters are among only a handful of animals known to use tools on a regular basis while feeding. There are no longer any sea otters in the coastal waters of Japan. Both have dark brown fur except for the head, which is often blond. Eyes and ears are small and the tail is horizontally flattened and short, especially when compared with river otters. Hind feet are webbed and flipper-like with the outermost toe being the largest.
Front paws have semi-retractable claws.
Northern -Females may reach 46 if. Males grow up to 4.9 ft. Southern sea otters average 4-ft. Northern -From the Commander Islands through the Aleutian Islands and along the coast of Alaska to Prince William Sound. Kelp beds are the ideal environment for otters' preferred food hut are not necessary for survival.