Did you know?

• There are 30 species of whales, dolphins and porpoises who live in or visit the Great Barrier Reef
• Some of the largest populations of dugongs live in the Great Barrier Reef
• Over 200 species of birds live on the Great Barrier Reef cays
• Six species of sea turtles live in the Great Barrier Reef
•  There are 14 species of sea snakes in the Great Barrier Reef 
• There are 5,000 species of molluscs in the Great Barrier Reef
• There are 400 species of coral in the Great Barrier Reef
• There are 500 species of seaweed & marine algae in the Great Barrier Reef 
• The Great Barrier Reef consists of approximately 2,900 separate coral reefs
• There are about 1,500 to 2,000 species of reef fish on the Great Barrier Reef.
• A variety of worms live in the Great Barrier Reef
• Some corals are consumers
• They eat zooplankton or small fishes. Others consume organic debris.
• Coral polyps are generally nocturnal feeders.
• Some corals release strands of mucus to collect organic particles for food.
• A polyp gets rid of solid wastes through its mouth.
• The stomach cavities of colonial corals are interconnected. Food obtained by one polyp can be passed to other polyps in the colony.