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 ...

A sunflower sea star may be about to snack on some sea urchins in California. Brent Durand/Moment via Getty Images Before 2013, divers on North America’s west coast rarely saw purple sea urchins. The ...

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 ...

Shailene discovers how abalone and purple sea urchin are being sustainably harvested. Shailene Woodley pays a visit to The Cultured Abalone Farm where she meets with General Manager and Partner Doug ...

Was President Donald Trump legally allowed to capture and remove Venezuelan President Nicolás Maduro and his wife? An expert weighs in. Epic snowfall at ski resorts, puddles and mild temps for the ...

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 ...

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 ...

Before 2013, divers on North America's west coast rarely saw purple sea urchins. The spiky animals, which are voracious kelp eaters, were a favorite food of the coast's iconic sunflower sea stars. The ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Rebecca Vega Thurber, University of California, Santa Barbara (THE CONVERSATION) ...