Pandemic killed off sea urchins in the Red Sea Linked to pathogen which kills fast and violently Sea urchins feed on algae that block out sun if unchecked Researchers warn pandemic heading towards ...

“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 ...

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.