Reef Note: Shells and Molluscs

Informaiton about Great Barrier Reef molluscs and shells.Topics covered: Where do shells come from? ; What is a mollusc?; Types of shell-producing molluscs; How shells are made; Molluscs without shells; Molluscs and people; Shell collecting on the Great Barrier Reef (rules and regulations)."It is best to leave shells where they are; even empty shells have a place on the Reef, as a home for hermit crabs or other animals. Like all animals on the Great Barrier Reef, molluscs have a role to play in this complex ecosystem and you should enjoy and respect them with this in mind."A4 with color photographs of giant clam, spanish dancer, tiger cowerie, nerita, spider shell,chiton, nudibranch and cuttlefish.