The image is a close-up of a fish swimming in an aquarium. The fish appears to be a type of fish, possibly a pufferfish, with a blue body and black fins. The background is blurred, but it seems to be an underwater environment with rocks and other marine life visible. The colors in the image are mostly blue and black, with some hints of orange and yellow. The image is taken from a low angle, looking up at the fish. The overall mood of the image is peaceful and serene.