An 'apocalypse' under the sea is uprooting an entire species. Mass die-offs of black sea urchins (Diadema africanum) in the Canary Islands began in mid-2022, and the situation has only worsened. When ...

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 ...

PORT ANGELES — A company that offloaded 1,400 pounds of green sea urchins worth $2,000 at Port Angeles Boat Haven is under investigation for receiving the spiny delicacy without the proper paperwork.

HAWAII ISLAND (HawaiiNewsNow) - A popular area for snorkelers and divers on Hawaii Island has seen an explosion of sea urchins that are threatening to push the coral reef “past the point of recovery.” ...

The sea urchin has long stood as an exemplary model for investigating embryogenesis and the intricate gene regulatory networks (GRNs) that dictate developmental processes. Studies in this field have ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...