The image is an underwater photograph of a fish swimming in an aquarium. The fish is a red snapper, which is a type of fish native to the ocean. It has a long, slender body with a pointed snout and a pointed tail. The body of the fish is covered in small scales, and its fins are a lighter shade of red. It is swimming near a large rock formation, which appears to be a coral reef. There are several smaller fish swimming around the rock formation. The water is clear and blue, and there are a few small rocks and plants visible in the background. The overall mood of the image is peaceful and serene.