The rich resources of Pacific kelp forests helped humans populate the Americas. Now depleted by as much as 95 percent, they need our help to recover.

Underwater forests could be the answer to helping to mitigate the environment from the impacts of climate change, experts told ABC News. Kelp, large brown algae or seaweeds that grow in shallow ...

These results could be important not only for coral reefs, but also for other marine ecosystems such as seagrass meadows or ...

Second, while parrotfish help reefs to grow by keeping them clean, they also can cause gradual erosion of reef structures. Some parrotfish species graze by biting off chunks of coral, especially ...

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.

NHA TRANG, Vietnam (AP) — The gentle waves off the coast of central Vietnam's Nha Trang obscure an open secret: The life-giving coral reefs below are dying. The waters are eerily devoid of fish. The ...

Researchers combine acoustic monitoring with a neural network to identify fish activity on coral reefs by sound. They trained the network to sort through the deluge of acoustic data automatically, ...