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 ...

Marine biologists sampling coral reef waters multiple times a day have shown how they shape surrounding marine life.

Coral reefs appear to run a daily timetable for microscopic life in nearby waters. Scientists found that microbial ...

On a remote reef about 90 miles off the coast of the Yucatan Peninsula, a predatory fish scours the shallow seafloor. Research divers spotted the 3.5-inch-long animals during recent survey trips to ...

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 ...

Learn how coral reefs drive daily changes in ocean microbes — a process that shapes how nutrients and energy move through ...

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 ...