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 ...

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 ...

The sunflower sea star can be found throughout intertidal and subtidal coastal waters of the northeast Pacific Ocean, from Alaska to at least northern Baja California, Mexico. Sea urchins appear to ...

Just by eating sea urchins and destructive shellfish, sea otters are keeping kelp forests healthy and coastal erosion at bay.

When sea otters were reintroduced along the coastlines of islands in Southern California and British Columbia, researchers saw kelp forests return to areas that were destroyed by sea urchins. But how ...

See the world’s tiniest organisms curl and crawl in these videos See the world’s tiniest organisms curl and crawl in these videos Want to help California’s kelp forests? Eat sea urchins. Want to help ...

The sunflower sea star (Pycnopodia helianthoides) can be found throughout intertidal and subtidal coastal waters of the northeast Pacific Ocean, from Alaska to at least northern Baja California, ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers examining a century of ocean maps made an exciting discovery linking sea otter populations to kelp forests: Where sea ...

Kelp forests are important to the environment in many ways: as a nursery ground for different marine life, a vital part of the marine food chain, barriers to coastline erosion and a major part of ...