The image is of an aquarium with a large tank filled with blue fish. The tank is located in a room with a dark background and there is a sign on the right side of the image that reads "Welcome to the aquarium". The tank appears to be made of glass and is filled with water and rocks. The fish are swimming around the tank and some are swimming towards the bottom of the tank. There are also a few small rocks and pebbles scattered around the bottom. The water is clear and there are a few bubbles visible. The overall atmosphere of the aquarium is peaceful and serene.