The video shows an aquarium with a rocky cave and a person's hand pointing at it. The cave is made of rocks and has a dark opening. The rocks are of various sizes and colors, including shades of brown, gray, and red. The person's hand is visible in the foreground, and they appear to be pointing at the cave. The water in the aquarium is clear, and there are no fish or other aquatic creatures visible. The lighting in the room is bright, and the aquarium is well-lit, highlighting the details of the rocks and the cave.