" These incredible structures are built by tiny animals called polyps that secrete calcium carbonate to form their hard skeletons. They occur in more than 100 countries and territories, and whilst ...

Coral reefs are among the ocean's most wondrous achievements. Like a massive mega-city made up of microorganisms, these diverse ecosystems provide shelter for many different marine species and they're ...

The jewel damselfish spends its life underwater, tending to a small patch of algae, oblivious to anything outside its coral reef home. But the tiny fish, like a marionette, is being pulled by a ...