Explore the breathtaking Great Barrier Reef, the world's largest coral reef system, stretching along Australia's northeastern ...

Coral reefs are marine structures created by calcifying coral animals and their algal symbionts. Coral reef ecosystems are generally high in biodiversity, most often found in shallow tropical seas ...

A colorful coral reef, viewed from just beneath the surface of the ocean. A winding river delta, seen from far up in the sky.

Reporting in Proceedings Biological Sciences, researchers found that a species of branching coral benefitted from a reef-dwelling crab, especially when the coral was heat-stressed and wounded.

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.