The image is an underwater photograph of a coral reef. The reef is covered in various types of coral and sea plants, including ferns, corals, and other marine life. In the center of the image, there is a black fish swimming near a large rock formation. The fish appears to be a type of fish, possibly a tang, and it is swimming near the rock formation with its body facing towards the right side of the frame. The water is clear and blue, and there are a few other fish visible in the background. The overall scene is vibrant and colorful, with a variety of shapes and textures.