Sea Otter Awareness Week is celebrated annually from September 21 to September 27 to highlight not only why the keystone ...

Since the early 1900s, kelp-devouring spiny sea urchins have gradually been freed from the pressures of predation. Sea otters ...

When sea otters were reintroduced along the coastlines of islands in Southern California and British Columbia, researchers saw kelp forests return to areas that were destroyed by sea urchins. But how ...

New research led by Monterey Bay Aquarium reveals a surprising ripple effect in coastal ecosystems: the collapse of one marine predator can benefit another. Published today in the journal Science ...

Sea otters consume roughly a third of their body weight each day, decimating shellfish beds. In response, some Nuu Chah Nulth community leaders urge the Department of Fisheries and Oceans (DFO) to ...

Chanel Hason gets a lot of false reports of sea otters on the Oregon Coast. "I get email several times a month of someone saying they saw a sea otter running along the beach in Oregon somewhere,” said ...

PORTLAND, Ore. — Sea otters have been missing from the Oregon coast for more than a century, and local non-profit Elakha Alliance is trying to bring them back. The marine mammals, which help protect ...

The weathered UC Davis Marine Laboratory looms in thick fog on the edge of the ocean near Bodega Bay. Inside, an experiment is playing out that gives a badly-needed boost to Northern California’s kelp ...

SANTA BARBARA — Claiming that federally protected sea otters continue to overgraze commercially important urchin beds, a group of fishermen wants a Los Angeles judge to enforce a “no otter” zone by ...