The image shows a large group of fish swimming in an aquarium. The aquarium is made of glass and has a blue-green color. The water is clear and the fish are of different sizes and colors, including orange, white, and gray. The fish are swimming in a grid-like pattern, with some larger fish in the center and smaller ones on either side. The background is blurred, but it appears to be an underwater environment with rocks and other marine life visible. The overall mood of the image is peaceful and serene.