The video shows a large group of fish swimming in the ocean. The fish are moving in a coordinated manner, creating a mesmerizing pattern. The water is clear, and the sunlight is shining through, illuminating the fish and making them shimmer. The fish are of various sizes and colors, with some appearing to be darker than others. The camera angle changes throughout the video, providing different perspectives of the fish and their movements. The overall effect is one of tranquility and natural beauty.