A disease is killing sea urchins in the Caribbean. There's evidence to suggest it could be turning into a pandemic for these marine invertebrates. That, in turn, would impact already ailing coral ...

Sea urchins play a vital role in maintaining the delicate balance of coral reef ecosystems by feeding on algae that compete with corals for sunlight.

“In this photo, I’m examining some of the animals in my care. I work as an ecologist at the St John’s Island National Marine Laboratory, which is sited on a small island off the coast of mainland ...

The turquoise water of Hōnaunau Bay in Hawaii, an area popular with snorkelers and divers, is teeming with spiny creatures that threaten to push the coral reef “past the point of recovery,” new ...

Searchin' for urchin: SoCal divers face warming waters which drive sea urchins deeper For more than 30 years, Matt Pressly has been diving off the coast of California for sea urchins, sold in sushi ...

A research team including UCLA doctoral students and professors found that sea urchins help maintain the resilience of coral reefs despite human activity. In the study published in February, ...

KANAGAWA, Japan, July 25 (Reuters) - In Japan, researchers are feeding vegetables to hungry sea urchins - a popular sushi ingredient - to try and stop them from eating dwindling stocks of ocean ...