A new study suggests that the removal of predatory fish such as sharks from coral reefs may be a key factor driving outbreaks of coral-eating crown-of-thorns starfish. Dr. Mark Meekan and Dr. Emily ...

In context: Located off the coast of Queensland, Australia, the Great Barrier Reef is the world's most expansive coral reef system, spanning more than 2,300 kilometers and comprising 2,900 individual ...