The image is a close-up of a small fish swimming in an aquarium. The fish appears to be a pufferfish, with a round body and a pointed snout. It has a greenish-blue body with black spots on its head and neck. Its eyes are large and round, and its mouth is slightly open, as if it is looking directly at the camera. The aquarium is filled with water, and there are various plants and rocks visible in the background. The water is clear and there is a small amount of sunlight shining through the water, creating a dappled effect on the fish.