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 ...

A 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 smaller, prey fish ...

Each day, coral reefs quietly reshape the microscopic world drifting just above them. As daylight fades and returns, the smallest ocean organisms - bacteria, algae, and single-celled predators - ...

A small colored fish pokes out its head from a coral. An Acanthemblemaria Blenny pokes out its head from a coral in the waters of Panama. Credit: Tim Treuer Food chains in the coral reefs of the ...

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 ...

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 ...