Researchers grew juvenile sea urchins from Northern and Southern California in outdoor tanks at UCSC’s Long Marine Laboratory, where they could control the conditions in each tank.

Considered a delicacy in several parts of the world, sea urchin, or uni in Japanese ... masses of them have taken over the seabeds of California. So why are there so many urchins?

GLOUCESTER, Mass., Jan. 29, 2025 /PRNewswire/ -- The red sea urchin (Mesocentrotus franciscanus) is one of the earth's longest-living animals, reported to live more than 100 years without showing ...

GLOUCESTER, Mass., Jan. 29, 2025 /PRNewswire/ -- The red sea urchin (Mesocentrotus franciscanus) is one of the earth's longest-living animals, reported to live more than 100 years without showing ...