As coral restoration practitioners work to repair the Keys’ most treasured reef sites, a first-of-its-kind sea urchin release hopes to keep those reefs in tip-top shape for new corals to grow. On Jan.

Sea urchins may just look like a ball of spikes waiting to be stepped on at the tide pool, but there's much more to these barbed beasts than just roe and teeth. New research reveals sea urchin nervous ...

From kelp forests to sea grass meadows, these charismatic predators are quietly holding parts of the coast together.

This video documents the harvesting and cooking of sea urchins by an ocean-based community in Papua. It shows how large ...

Sharks easily consumed large, spiky sea urchins – sometimes in just a few gulps. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Long-spined sea ...

It used to be thought that sea urchins only had a primitive nervous system, but new research has found that they are far more complex than that. The entire body of a sea urchin is what researchers are ...

TL;DR• A mass die-off of sea urchins in the Canary Islands has led to a halt in reproduction, pointing to possible local ...

Research team: “This is an extremely violent global pandemic. The Caribbean, Red Sea, and the Indian Ocean are critical regions for the world’s coral reefs, and mortality rates for sea urchins in ...

For decades researchers in northern Norway had tried to bring back vital kelp forests after overfishing damaged marine ...