The image is an underwater photograph of a fish swimming on a coral reef. The fish is a butterflyfish, with a black and white striped body and a yellow stripe on its head. It has a large, round head with a pointed tip and two small fins on either side. The body of the fish is covered in small, dark spots, and its fins are a lighter shade of black. The background of the image is a sandy ocean floor with small rocks and coral scattered around. The water is clear and blue, and the sun is shining brightly, creating a beautiful reflection on the surface of the water.