A blue groper eating a long-spined sea urchin fed to it by a diver. While it’s known that blue groper fish can eat long-spined sea urchins, the aim of this study was to reveal how often it happens in ...

Researchers report catastrophic population losses from the Canary Islands to the Caribbean, warning of severe ecological fallout. - Greenline ...

Across tropical and subtropical seas, a quiet biological crisis is unfolding as vast populations of reef‑grazing sea urchins die off in a matter of days. Their sudden disappearance is stripping coral ...

(CNN) — 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,” ...

Add Yahoo as a preferred source to see more of our stories on Google. Hōnaunau Bay, Hawaii on 25 January, 2020. Sea urchin populations are ballooning in the bay, putting the coral reef at risk, a new ...