The video shows a large school of fish swimming in the ocean. The fish are of various sizes and colors, with some being darker and others lighter. They are swimming in a coordinated manner, with some fish moving faster than others. The water is clear, and the sunlight is shining through, creating a beautiful underwater scene. The fish are moving in different directions, but they all seem to be heading in the same general direction. The video captures the beauty and complexity of marine life.