Sea otters are keystone species in kelp forests. Kelp forests rely on the top-down pressure sea otters exert via predation on ...

The heaviest otter, the sea otter, can reach 4 feet long and weigh up to 100 pounds. Asian small-clawed otters are very social and very vocal. They live in extended family groups of up to 20 ...

Imagine gliding through the chilly, emerald-green waters of the Pacific, sunlight flickering through waving forests of kelp.

New research led by Monterey Bay Aquarium reveals a surprising ripple effect in coastal ecosystems: the collapse of one ...

MONTEREY, Calif. (KION-TV) -- Opal the Otter is making a splash at the Monterey Bay Aquarium, having made its debut Tuesday.

DESCRIPTION: Sea otters use their rear flippers to move and their flat, muscular tails to steer. They have an exceptional sense of smell, hearing, and eyesight above water and below. Lacking blubber, ...

With his adorable Steiff-toy face and fluffy fur, his curious, playful nature and agile forepaws, the sea otter is considered one of the most popular marine mammals of the northern Pacific Ocean.

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.

A female sea otter at Point Defiance Zoo and Aquarium celebrated her 14th birthday Sunday, indulging in a treat made just for her.

In 2013, a sea star wasting syndrome decimated populations of Pisaster along the west coast of North America and along the Monterey Peninsula in California, where this study was conducted. The orange ...