Jack ventures into the Coral Sea to scuba dive on Taylor Reef, one of the 2900 reefs that make up Australia's Great Barrier Reef. On his underwater adventure, Jack marvels at corals of all kinds, giant clams and a sea full of tropical fish. Jack journeys to the Great Barrier Reef Aquarium in Townsvill to learn more about Australia's underwater wonder from one of the world's leading experts on coral.

Show #2138

• Great Barrier Reef Aquarium, P.O. Box 1379, Townsville, Qld, 4810, Belinda Kilcullen, Ph: 07-4750-0892, Fax: 07-4772-5281.