The video shows a colorful underwater scene with a variety of fish swimming around a coral reef. The fish are of different sizes and colors, including yellow, purple, and orange. The coral reef is made up of various types of coral, including brain coral and staghorn coral, which are visible in different shades of purple and brown. The fish are seen swimming in and out of the coral, creating a dynamic and lively scene. The water is clear, and the lighting is bright, highlighting the vibrant colors of the fish and coral.