The image shows a close-up of a group of rocks and pebbles in an aquarium. The rocks are of different sizes and colors, including brown, beige, and gray. Some of the rocks are large and jagged, while others are smaller and more irregularly shaped. In the center of the image, there is a small blue fish swimming in the water. The water is clear and there are small bubbles visible around the rocks. The background is blurred, but it appears to be an underwater environment.