The image is an underwater photograph of a large group of sea urchins. The water is a deep blue-green color and the surface is covered in small rocks and pebbles. The sea anemones are a bright blue color and appear to be floating on the surface of the water. They are densely packed together, covering the entire frame of the image. The image is taken from above, looking down on the ocean floor. The overall impression is of a vast and diverse underwater environment.