Unlike caviar, which is the eggs of fish, the roe of the urchin ... Sloan is awed by the milky nothingness he confronts during urchin spawning season, when the sea teems with delicate, transparent ...

Consider the sea urchin. Specifically ... They produce massive numbers of sperm and eggs that fertilize outside of their bodies, allowing scientists to watch the process of urchin creation ...

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 ...