The video shows a group of fish swimming around in a tank. The fish are orange and have black stripes on their bodies. They are swimming around a large rock that is in the center of the tank. The rock is covered in green moss and has some algae growing on it. The fish are moving around the rock, some swimming close to it while others are further away. The water in the tank is clear, and you can see the bottom of the tank. The lighting in the tank is bright, making the colors of the fish and the rock stand out.