Raising Hungry Sea Star Babies

Sunflower sea stars (Pycnopodia helianthoides, often referred to as “pycnopodia” by researchers), were once the most ubiquitous sea star on the West Coast, ranging from Mexico to the Aleutian Islands. They were key predators in the kelp forest food web—until 2013, when a wasting disease arrived that wiped out 94 percent of their population.

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