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Mollusc ยท Coral reef
Giant clam
Tridacna gigas
Meet the animal
Life as a giant clam
Giant clams are the largest bivalve molluscs and live in shallow tropical coral reefs.
Amazing adaptation
Built to survive
Algae living inside the colourful mantle use sunlight to make food that they share with the clam.
Did you know?
Surprising fact
A giant clam can live for more than a century.