Reef fish are colorful and diverse species that inhabit coral reefs around the world. They play a crucial role in maintaining the health of these ecosystems by helping to control algae growth and providing food for larger predators. Common types of reef fish include clownfish, parrotfish, and damselfish. These fish are adapted to their vibrant environments, often displaying bright colors and unique patterns for camouflage and communication. Coral reefs, which are made up of coral polyps, provide shelter and breeding grounds for many reef fish, making them essential for their survival and reproduction.