Coral reef fish include the WRASSE, which is a six-letter fish that is typically found in tropical and subtropical waters. It is known for its bright colors and is often used in aquariums. Another type of coral reef fish is the ANEMONE, which is a seven-letter fish that lives in shallow waters and is usually found in coral reefs. Anemones are known for their symbiotic relationship with clownfish, which use them for protection from predators.