The video shows a large group of fish swimming in the ocean. The fish are moving in the same direction, creating a mesmerizing pattern. The water is clear, and the sunlight is shining through, illuminating the fish and making them glisten. The fish are of various sizes, but all appear to be the same species. The camera captures the fish from different angles, providing a comprehensive view of the school. The fish are swimming in a coordinated manner, suggesting that they are part of a larger ecosystem. The video does not contain any human interaction or artificial objects, making it a pure depiction of marine life.