Riah Evin, a biologist at the California Academy of Sciences’ Steinhart Aquarium, propagates endangered Sunflower Sea Stars on Nov. 20 in San Francisco. (Karl Mondon/Bay Area News Group) For the last ...

Over the past decade, the sunflower sea star has gone from a mighty predator of the Pacific Ocean floor to nearing extinction. The Nature Conservancy estimates that 5.75 billion sunflower sea stars ...

For the last decade, California’s offshore seafloors have been missing a massive, colorful predator that keeps kelp-munching sea urchins in check. The sunflower sea star is a big starfish — more than ...

These starfish face extinction. Scientists are helping them mate Oct. 21, 2023 Updated Sat., Oct. 21, 2023 at 9:24 p.m. An ochre sea star found at Estero Bluffs State Park north of Cayucos, Calif., on ...

Scientists estimate that more than 5 billion sunflower sea stars, once a mighty predator, have died in the Pacific Ocean because of warming waters. By Remy Tumin Over the past decade, the sunflower ...