The shells of the hawksbill sea turtle have been used for luxury items for centuries, but with the species now endangered, ...

With too few tritons on the reef, crown-of-thorns starfish populations can explode, jeopardizing the living coral that makes ... carapace and kill the turtle. Many sea sponges, like anemones ...

For example, hawksbill turtles eat lots of sea sponges, which would otherwise out-compete reef-building corals. So the turtles help to protect the coral reefs, which are crucial for the survival of ...

With its colourful coral reefs, turtles, whale sharks and sites ... these turtles peck and scrape rocks and coral, eating the sea sponges that grow on these structures. Sponges make up the largest ...