In the video, there are two plastic bottles with water and goldfish inside. The bottles are connected by a tube, and the goldfish are swimming through it. The bottles are placed on a black surface, and the background is white. The goldfish are orange and white, and they are moving around in the water. The tube appears to be made of clear plastic, and the bottles are transparent. The video shows the goldfish swimming in different directions, and the water is moving around them.