The image is an underwater photograph of an aquarium. The water is clear and blue, and the background is filled with various types of fish and rocks. The rocks are covered in green algae and coral, and there are a few small fish swimming around. On the right side of the image, there is a large rock formation, and on the left side, there are several smaller rocks and boulders. The fish are of different sizes and colors, and they are swimming in different directions. The image appears to be taken from a high vantage point, looking down on the aquarium.