How can you tell a healthy reef from an ailing one? According to new research published in Science, if you’re a fish or a young coral, then you can tell by the chemical signals of the surrounding ...

Forbes contributors publish independent expert analyses and insights. GrrlScientist writes about evolution, ecology, behavior and health. An 18-year study revealed that repeated episodes of severe ...

The FishEye Collaborative combined underwater sound recordings with a 360° camera to identify the sounds made by individual ...

The Great Barrier Reef is suffering its third mass bleaching event in five years. It follows the record-breaking mass bleaching event in 2016 that killed a third of Great Barrier Reef corals, ...

New research reveals that corals send out chemical signals to recruit the help of Goby fish in removing toxic seaweed. Image courtesy of Danielle Dixson Corals are constantly under attack. Sea stars ...

New research reveals that one of the largest-ever marine conservation initiatives has helped to prevent more frequent ...

If you liked this story, share it with other people. Mike Gil, an ecologist at the University of Colorado Boulder, deployed video cameras to “spy” on coral reef fish over months and found that they ...

Until recently, fish that eat coral — corallivores — were thought to weaken reef structures, while fish that consume algae and detritus — grazers — were thought to keep reefs healthy. But scientists ...

When one kind of coral is under attack from killer seaweed, it sends chemical signals to little fish "bodyguards" that come to its rescue and handily take care of the problem, new research shows.

For hungry fish, corals make a difficult meal: venomous, coated with mucus and embedded in a razor-sharp, calcified skeleton. But one species, the tubelip wrass (Labropsis australis), has developed an ...

For nearly two centuries, scientists have pondered “Darwin’s Paradox,” the enduring mystery of why coral reefs thrive in tropical waters, which are woefully short on nutrients. Reefs are teeming oases ...

Fish that usually camouflage themselves among colourful coral reefs are losing their ability to hide from predators as corals are bleached by Earth's acidifying oceans. Bleaching often leads to coral ...