The video shows a close-up of a fish tank with several fish swimming around. The fish are of different sizes and colors, and they are swimming in different directions. The water in the tank is clear, and there are some plants and rocks visible in the background. The fish seem to be healthy and active, and they are moving around the tank freely. The lighting in the tank is bright, and it highlights the colors of the fish and the surroundings. The video does not have any visible title or subtitle.