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.

TEL AVIV >> A sea-borne pandemic that wiped out sea urchin populations in the Red Sea has spread and is taking out the species in parts of the Indian Ocean and could go global, scientists in Israel ...

Seaweed is crucial to all sorts of life in the ocean. Here in California, it’s disappearing fast. And so are the fish and sea creatures that depend on it. The culprit: a purple sea urchin….known as a ...

Two pioneering studies by researchers from the School of Zoology and the Steinhardt Museum of Natural History at Tel Aviv ...

Biologists thought that marine heat waves lowered urchin reproduction only at lethal temperatures. A new study shows ...

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 ...

An international team of researchers, including scientists from the Museum für Naturkunde Berlin, has uncovered a ...

(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,” ...