Purple sea urchins, beware: There’s a purple urchin-eating predator on the horizon — and its name is the sunflower sea star. That’s the plot line coming from a small upstart research facility in Moss ...

South of Tampa Bay, in Florida, wedged between a quiet neighborhood and a mangrove forest, custom-designed aquariums are home to thousands of sea-urchin larvae that tumble and drift through the water.

In Northern California, purple sea urchins are decimating kelp forests. Though the species of urchin causing problems may vary by region, the damage is the same. NNehring/iStock This article is from ...

Green Sea Urchin (Strongylocentrotus droebachiensis) A close up of a Green Urchin photographed while scuba diving in British Columbia, Canada. Often harvested for uni ...

B-roll from the study that determined the cause of a large die-off of sea urchins in the Sea of Oman. TAMPA, Fla. (March 25, 2024) – A parasite that devastated long-spined sea urchins in the Caribbean ...

A sudden, unexplained mass die-off is decimating sea urchins around the world, including catastrophic losses in the Canary Islands. Key reef-grazing species are reaching historic lows, and their ...