The video shows a vibrant underwater scene with a variety of colorful fish swimming around a coral reef. The fish are of different sizes and colors, including yellow, blue, and black. The coral reef is a mix of purple, pink, and green hues, providing a beautiful backdrop for the fish. The water is clear, allowing for a good view of the fish and their movements. The fish are seen swimming in different directions, some alone and some in groups. The video captures the peaceful and serene atmosphere of the underwater world.