The return of sharks to Ashmore Reef after marine protection was enforced in 2008 shows how top predators influence not just what they eat, but how other species behave. New research reveals that ...

Sharks play a critical role in maintaining balance throughout marine ecosystems. Scientists have found that their presence ...

Vulnerable, young corals in Florida's reef are being protected with biodegradable, 3D-printed cages in an effort to prevent lab-grown coral from being eaten by natural predators at sea. Keri O'Neil, ...

In coral reefs throughout the world, visually striking bands of bare sand surrounding reefs are often visible in satellite imagery but their cause remains a mystery. One theory is fear. Parrotfish and ...

A groundbreaking study of 7,000-year-old exposed coral reef fossils reveals how human fishing has transformed Caribbean reef food webs: As sharks declined by 75 percent and fish preferred by humans ...

Sharks are a broad and diverse group of species, but in the public imagination we tend to treat them all the same. Brandon Cole Marine Photography/Alamy Stock Photo This article is from Hakai Magazine ...

Knowlton, Nancy, Lang, J. C., and Keller, Brian D. 1989. "Fates of staghorn coral isolates on hurricane- damaged reefs in Jamaica: the role of predators." Proceedings of the 6th International Coral ...

HAWAII ISLAND (HawaiiNewsNow) - A popular area for snorkelers and divers on Hawaii Island has seen an explosion of sea urchins that are threatening to push the coral reef “past the point of recovery.” ...

A new study links grazing halo patterns in coral reefs, as well as those in other patchy habitats, to the spatial patterns of the shelter habitat itself. The researchers found that grazing halos are ...

A groundbreaking study of 7000-year-old exposed coral reef fossils reveals how human fishing has transformed Caribbean reef food webs: as sharks declined by 75% and fish preferred by humans became ...

Grazing halos at Heron Island, Australia, are distinct where coral are clustered (outlined with a white box) but merge where coral are dispersed (outlined with a black box). In coral reefs throughout ...