The video shows a large group of fish swimming in the ocean. The water is dark blue and the fish are silver in color. The fish are swimming in a coordinated manner, creating a beautiful and mesmerizing scene. The camera captures the fish from different angles, providing a clear view of their movements and the surrounding water. The fish appear to be of the same species, with long, slender bodies and pointed fins. The video is shot in high definition, allowing for detailed observation of the fish and their environment.