Deadly Predators of the Reef: the Queensland Grouper and the Sea Snake, BBC Earth, BBC Earth

The reef is full of dangerous predators, including the giant Queensland grouper and the deadly sea snake. Subscribe: WATCH MORE: New on Earth: Oceanscapes: Wild Thailand: Great Barrier Reef Stretching 2000 kilometres and made up of 3000 individual reef systems and hundreds of islands, Australia s Great Barrier Reef is breathtakingly beautiful. This programme offers a definitive guide to the secrets of the ree