coral reefs are found in shallow areas of tropical ocean waters. They are like beautiful underground gardens that grow in salty waters. Millions of fish and sea plants make their home in the reefs as these provide a safe sanctuary for them. They always allow small fish to hide from large predator fish. But many coral reefs are in trouble. Water pollution is destroying many reefs. Tourism likewise harms them. If reefs are damaged, we will lose many of our most beautiful fish.

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