Courtesy of Noma Sloan displays a sea urchin he plucked from the sandy seafloor ... reefs with rich forests of kelp, which urchins eat ravenously. At dawn on this brutal spring morning, Sloan ...

Considered a delicacy in several parts of the world, sea urchin, or uni in Japanese, is prized for its unique flavor. But the cost of the gonads — the orange tongues found inside an urchin ...