They’ve been crawling across the seafloor for more than 500 million years – predating the dinosaurs – yet sea stars remain ...

Purple sea urchins, beware: There’s a purple urchin-eating predator on the horizon — and its name is the sunflower sea star.

They are voracious predators, feasting on sea urchins, clams, snails, sea cucumbers, and other sea stars. Sunflower sea star (Pycnopodia helianthoides), Browns Bay, Edmonds, WA. Neil Gilham/Getty ...

Without sea stars, an explosion of sea urchins knocked the ecosystem off balance. Now scientists are racing to breed a new generation of their predators. An ochre sea star tries to blend into a ...

More than 20 species of sea stars—including the sunflower star, a keystone predator with a wide range—have been ravaged by a poorly-understood ailment known as sea star wasting disease.

Ocean acidification alters the response of intertidal snails to a key sea star predator. Proceedings of the Royal Society B: Biological Sciences, 2016; 283 (1833): 20160890 DOI: 10.1098/rspb.2016.0890 ...

Off the West Coast, sea urchins have been multiplying and destroying vital kelp forests. Researchers believe it's linked to the outcome of sea star wasting disease. Skip Navigation ...

Survey shows sea stars of the Salish Sea hit hard by mysterious wasting disease Sea stars are key predators, keep other animals in check Sea star wasting disease has devastated intertidal populations ...

Sunflower stars have been touted as key predators of urchins, and they do eat urchins. A recent lab study in Oregon demonstrated an adult sunflower star takes about a day to completely consume a ...

No species has been devastated worse than the sunflower star, the world’s first sea star to be designated an endangered species. The fastest and one of the largest sea stars on earth, sunflower ...

The demise of the sunflower sea star is particularly troubling, Rumrill said. The animals, which can grow up to 3 feet wide with as many as 24 arms, are prolific predators, with sea urchins their ...