The California Sea Urchin Commission and Commercial Fishermen of Santa Barbara sought to strip protections on the grounds that otter numbers and their range have increased since they were listed ...

Just by eating sea urchins and destructive shellfish, sea otters are keeping kelp forests healthy and coastal erosion at bay.

New research from Oregon State University shows just how important sunflower sea stars are to protecting kelp forests.

Purple sea urchins, beware: There’s a purple urchin-eating predator on the horizon — and its name is the sunflower sea star. That’s the plot line coming from a small upstart research ...

Purple sea urchins, beware: There’s a purple urchin-eating predator on the horizon — and its name is the sunflower sea star.

Urchin harvesters tried to get southern sea otters’ threatened status under the Endangered Species Act revoked.

The orphaned sea otter who became a foster mother to 15 pups. By Malia Wollan No one knows how Rosa was orphaned in September 1999, in Santa Cruz County, Calif. She was nameless then, just 4 weeks ...

A team of scientists say they’ve figured out the cause of a devastating sea urchin die-off that occurred last year along the waters of the Caribbean Islands and Florida. The algae-eating sea ...

Every year, around 10 to 15 sea otter pups are found stranded off the California coast, often due to storms that separate mother and offspring.

California wildlife officials are hoping to apprehend a 5-year-old sea otter, who has a knack for riding the waves after committing longboard larceny.