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 appear silver. The fish are of various sizes, but they all seem to be the same species. The camera angle changes throughout the video, providing different perspectives of the school of fish. There is no visible title, subtitle, or text in the video.