Coral reef ecosystems are generally high in biodiversity, most often found in shallow tropical seas, and are threatened by factors including ocean acidification, global warming and sea level rise.

With too few tritons on the reef, crown-of-thorns starfish populations can explode, jeopardizing the living coral that makes up reefs. Covered with long, venomous spikes, the crown-of-thorns ...

A new model to help scientists understand the many influences on young corals finding a "forever home" on a reef has been ...

In the coastal seas episode, we see the devastating scenes of coral bleaching – how whole reef ecosystems which once teamed with life, are now dead, white and derelict. But what exactly is coral ...

An underwater investigation of coral bleaching in the ... animals literally dripping off the rocks,” says Vevers of his dive in the Great Barrier Reef. “The most horrifying part was that ...

A seasoned diver exploring a vibrant coral reef makes a startling discovery—an unidentified object hidden among the rocks and marine life. As they carefully extract the item, questions arise: Is it a ...

Those polyps clone themselves over and over again, eventually forming larger coral colonies that build reefs. That’s how typical reef-building corals, like the iconic elkhorn and staghorn ...

"Coral reef management techniques such as relocation ... "A total of 204 corals were relocated and placed on bare rocks, held in place by a concrete mixture," said Dr. Smith.

Researchers have found that reef fish from the Arabian Gulf, the world's hottest sea, exhibit a higher tolerance to temperature fluctuations compared to those from more thermally stable coral reefs.