The image is an underwater photograph of a coral reef. The coral reef is covered in various shades of green and brown, and there are several small fish swimming around. On the left side of the image, there is a large blue and white coral with a pattern of small circles and lines. Next to it, there are two smaller coral reefs with different shapes and sizes. In the center of the ocean floor, there appears to be a large purple sea slug. The sea slug is lying on its side, with its body facing towards the right side. The background is blurred, but it seems to be an underwater environment with other coral and fish visible.