The video shows a vibrant underwater scene with a variety of fish swimming around the coral reef. The water is clear, and the sunlight is shining through, illuminating the fish and the coral. The fish are of different sizes and colors, including yellow, blue, and black. They are swimming in different directions, some near the surface and others deeper in the water. The coral reef is visible in the background, with various shapes and sizes of coral formations. The video captures the beauty and diversity of marine life in its natural habitat.