The Sea Otter (Enhydra lutris) is an oceanic species of otter and the largest of aquatic mustelids. Along with the marine otter (Lontra felina), they are the smallest marine mammals and the only marine mustelids. Sea otters are considered a keystone species throughout most of their range because they keep kelp forests in check from too many sea urchins and clams. Sea otter also have the densest coat of any animal. This coat traps in air bubbles, so their coat keeps their skin dry even diving…
Henri Ouellet