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 ...

But to crabs, clams, abalone, urchins and some fishermen, sea otters are voracious marine weasels that can eat 25% of their body weight a day — a perceived threat to life and livelihood.