sea otters eat a quarter of their body weight in food every day. In addition to sea urchins, they eat crabs, sea snails, clams, mussels, and slow moving fish. To crack open their hard-shelled prey ...

Despite their low numbers, sea otters consume voracious kelp-eating sea urchins at a high enough rate that kelp forests continue to persist and provide habitat for numerous species. Without sea ...

Eat sea urchins. Want to help California’s kelp ... stars Massive marine die-off in Russia could threaten endangered sea otters, other vulnerable species Massive marine die-off in Russia could ...

If there are too many sea urchins, they can eat up all the kelp, leading to the destruction of underwater forests. Otters keep the sea urchin population under control, allowing kelp to thrive.

A recent study found sea otters are eating thousands of green crabs at a California reserve, reducing the invasive species’ population.

Otters carry large stones between their forepaws on these dives, used to dislodge prey and to break open shells. Their diet includes clams, crabs, sea urchins, starfish, abalone, and 40 different ...

Otters eat a variety of animals, such as clams, sea urchins, and mussels, but they still fit green crabs into their diets in Elkhorn Slough. There are about 3,000 southern sea otters in California ...