Wild sea otters are no longer such a rare sight along the eastern coast of Hokkaido, Japan’s northernmost main island. Experts reckon there are now more than 50 of the endangered marine ...

FUKUOKA--Only three sea otters remain at aquariums in Japan, and they are now treated like rock stars because of their advancing years. Japan was once home to dozens of the cute mammals.

Every day California sea otters spend 10 to 12 hours hunting and consume nearly a third of their body weight. Suzi Eszterhas Scientists have long designated the california sea otter a “keystone ...

Aboard a quiet, full catamaran, legendary conservationist Jane Goodall spoke about her latest mission: supporting the survival of Monterey Bay's charming, yet still vulnerable, icon—the sea otter.

Sea otters also have a high metabolism to help keep them warm. However, to maintain their energy, they need to eat around 25%-30% of their body weight, which can take 20%-50% of the day.

Adorably fuzzy sea otters aren’t just cute. The marine mammals serve a crucial role, helping to restore the giant kelp forests they rely on by removing their top predators, the sea urchins. Kelp ...

In some cases, the algal blooms can cause illness or death in humans, according to NOAA. MORE: Sea otters, once hunted to near extinction, are preventing coastal erosion as their populations grow ...

After nearly 30,000 respondents took part in a one-day online poll, the Monterey Bay Aquarium has announced the name of its newest sea otter pup: Opal. The aquarium plans to have Opal make her ...