State regulators say kelp loss, climate impacts and booming purple urchins leave the iconic species too depleted to reopen the fishery.

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 ...

On a sunny afternoon, Port of Bandon director Jeff Griffin pulled back black shade cloth from the corner of one of nearly a dozen aquaculture tanks lining the dock. Spiny, purple urchins clung to the ...

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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 ...

A venture called the Purple Urchin Ranching Project is helping to rejuvenate California’s kelp forests by ranching sea urchins for food. A heat wave in 2014 and 2015 disrupted ecosystems in California ...

CASPAR BEACH, Calif. (AP) — A welding hammer strapped to her wrist, Joy Hollenback slipped on blue fins and swam into the churning, chilly Pacific surf one fall morning to do her part to save Northern ...

SAN JOSE, Calif. — The weathered UC Davis Marine Laboratory looms in thick fog on the edge of the ocean near Bodega Bay. Inside, an experiment is playing out that gives a badly needed boost to ...

If you’re just starting out in Dave the Diver there’s likely a long list of things you can’t interact with or overcome. Purple Sea Urchin is a fine example of an ingredient you’ll find early and often ...