The video shows a large group of fish swimming together underwater. The fish are moving in the same direction, creating a mesmerizing pattern. The water is a deep blue color, and the fish are silver with black stripes. The fish are densely packed, and it is difficult to count them, but there are hundreds. The fish are swimming in a coordinated manner, suggesting that they are part of the same school. The video is shot from above, looking down on the school of fish.