What is the skin of an otter like?

The skin of an otter is characterized by its dense, waterproof fur, which consists of two layers: a soft undercoat for insulation and longer guard hairs that repel water. This unique fur helps keep otters warm and buoyant in cold water. Additionally, otters have specialized oil glands that secrete oils to maintain the water resistance of their fur. Overall, their skin is adapted for a semi-aquatic lifestyle, ensuring they remain agile and insulated in their aquatic environment.