The sea urchin population in many coastal areas is on the increase ... The Puffer fish then turns the defenceless urchin over and attacks its soft underside, which is not protected by spines. Puffer ...

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 ...