Christina Black soaked her foot in hot water and Epsom salts for several weeks, but the sea urchin's spine (which she named ...

Inside the spiky test are five corals of roe, sometimes called tongues—the sea urchin’s wobbly gonads. Karoline O.A. Pettersen Sea urchins with their skin and spines removed. Jennifer Steen ...

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 ...

For years the sea urchin's key predator was believed to be lobsters due to the crustacean's appendages being able to manipulate the spiky urchins to get inside. However the discovery that sharks ...