The video shows a close-up of a fish tank. The tank is filled with water and has a bed of rocks at the bottom. There are several plants growing out of the rocks, and the water is clear. The plants are green and appear to be healthy. The rocks are of various sizes and shapes, and they are mostly brown and gray. There is no fish or other aquatic animal visible in the video. The lighting in the tank is bright, and the water is moving slightly, indicating that the tank is filled with air.