After missing from the Oregon coast for more than a century, sea otters are getting a step closer to staging a comeback.

The world's oceans are facing a silent but devastating threat. An international team of researchers has identified a pathogen responsible for the mass mortality of sea urchins, which are essential ...

Just a few administrative details need to be worked out before kelp-killing purple sea urchins start getting hammered off the ...

The sea urchin Diadema setosum before (left ... aquariums at the Interuniversity Institute for Marine Sciences and the Underwater Observatory in Eilat became infected and died.

Two underwater sea lilies were eaten and regurgitated around 66 million years ago. They were preserved as fossilized vomit.

With sea urchin populations collapsing at unprecedented rates ... but because we simply can’t treat them underwater,” said Bronstein. The team has put forward two main hypotheses for why the pandemic ...

Considered a delicacy in several parts of the world, sea urchin, or uni in Japanese, is prized for its unique flavor. But the cost of the gonads — the orange tongues found inside an urchin ...

Infected sea urchin on Reunion Island. Photo credit: Jean-Pascal Quod.

This can be attributed to the 10000% increase in purple sea urchin numbers. We decided to make an underwater vacuum with custom aeration technology and size sorting capabilities. The ergonomic device ...

Infected sea urchin in Réunion. Photo credit: Jean-Pascal Quod. Dr. Bronstein and his team are also working on 'underwater COVID tests' for sea urchins, allowing for early detection of the pathogen ...

Even 40 years later, the sea urchin population — and consequently ... it’s difficult to monitor such rapid extinction events in the vast underwater environment. We are terrestrial creatures ...