He uses his whiskers to detect vibrations under the water, and he has a very keen nose to aid him when he is trying to find food. The young sea otters are called pups. About nine months after mating the mother gives birth to a single pup. The pups are born at sea, with their eyes open, a full set of teeth, and a fur coat. Female sea otters give birth to one pup every two years.
Most sea otters live along the Asiatic and North American coasts of the Pacific Ocean.
The sea otter and the river otter are in the weasel family. The sea otters scientific name is Enhydra lotris. Some cool facts about the sea otter are that they are one of the only species known to use tools. The sea otter has 600,000 hairs in one square inch of his fur. Some sea otter skins are sold separate.