Scientific Name: Enhydra lutris
Weight:
- Male: 60-90 lbs (27-41 kg)
- Female: 35-60 lbs (16-27 kg)
Lifespan: 10-20 years in the wild
Interesting Fact: Southern sea otters have the densest fur of any mammal, with up to 1 million hairs per square inch! This thick fur keeps them warm in the cold ocean water, as they lack blubber like other marine mammals.