Angelfish are fascinating residents of coral reefs, known for their vibrant colors and graceful swimming. They belong to the Pomacanthidae family, which includes over 80 species, and can range from 3 to 24 inches in size. Many species, like the French and Gray Angelfish, mate for life and play essential roles in maintaining the reef ecosystem by cleaning parasites and eating harmful algae. Understanding angelfish helps scuba divers appreciate these creatures and emphasizes the importance of coral reef conservation for their survival.