The video shows a group of fish swimming in a body of water. The water is clear, and the fish are visible through it. The fish are swimming in different directions, some are close to the surface while others are deeper in the water. The fish are of different sizes and colors, with some having stripes and others being solid colored. The water is calm, and there are no visible objects or plants in the water. The video is shot during the daytime, and the lighting is natural.