How sea star wasting disease transformed the West Coast's ecology and economy

PHYSorg
Sep 29, 2025, 12:07 pm97 pts
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 giant sea stars, recognizable for their many arms, kept the urchin population in check, with the help of sea…

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