The image is an underwater photograph of a blue fish swimming in the ocean. The fish is a type of tang, also known as a tang, and it is swimming towards the right side of the image. It has a long, slender body with a pointed nose and a pointed tail. The body of the fish is predominantly blue, with a white stripe running down the middle of its body. The tail is a bright yellow color with a black stripe running along the top. The background is a deep blue-green color, and there are small white bubbles visible in the water. The image appears to be taken from a low angle, looking up at the fish.