Despite recent efforts by sea urchin harvesters to reduce protections for southern sea otters under the Endangered Species Act, the species is still at risk, federal officials say. The fuzzy ...

Sea urchins dine on a reef in the Aleutian Islands. Urchins, which boomed after sea otters disappeared, destroyed many kelp forests on the reefs and are now eating the algae-filled reefs that have ...

Behavioral responses across a mosaic of ecosystem states restructure a sea otter–urchin trophic cascade. Proceedings of the National Academy of Sciences , 2021; 118 (11): e2012493118 DOI: 10. ...

Sea stars eat sea urchins, and although the sea stars have slowly started to recover, the urchin population has grown dramatically. “It’s sort of like a perfect storm where we just had a blast ...

Shellfish and sea urchin populations took off. Sea otters were re-introduced into parts of the Pacific coast in the late 1960's and 1970's, and since then the otters have been flourishing.

Petition to delist southern sea otters filed by sea urchin harvesters. In their March 2021 petition to delist the southern sea otter from the federal Endangered Species Act, the California Sea ...

Petition to delist southern sea otters filed by sea urchin harvesters. In their March 2021 petition to delist the southern sea otter from the federal Endangered Species Act, the California Sea ...

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

In a historic rebound, California sea otters, the frolicking ocean ambassadors of Monterey Bay and Big Sur, have reached their highest population level since 1982, when federal and state officials … ...

Sea otter populations are rebounding in the eastern North Pacific. There, they devour huge quantities of shellfish and other marine critters that people like to eat, too. But any commercial losses ...