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

Hōnaunau Bay, Hawaii on 25 January, 2020. Sea urchin populations are ballooning in the bay, putting the coral reef at risk, a new study has found. - Greg Asner The turquoise water of Hōnaunau Bay in ...

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 ...

An 'apocalypse' under the sea is uprooting an entire species. Mass die-offs of black sea urchins (Diadema africanum) in the Canary Islands began in mid-2022, and the situation has only worsened. When ...

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 ...

New research has uncovered a mass die-off of sea urchins living in the Canary Islands—one that could signal an ongoing marine pandemic. Reading time 3 minutes An apocalyptic serial killer of sea ...

(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,” ...