The video shows a group of fish swimming in a tank. The fish are of different sizes and colors, including yellow, black, and white. Some of the fish have stripes on their bodies, while others have solid colors. The fish are swimming around the tank, sometimes coming close to the camera and other times swimming away. The water in the tank is clear, and the lighting is bright, making the colors of the fish stand out. There is no visible title or subtitle in the video.