The video shows a large aquarium with several fish swimming in it. The aquarium is made of glass and has a wooden frame. The fish are of different sizes and colors, and they are swimming around in the water. The aquarium is well-lit, and the water is clear. The fish are moving around in different directions, and some are swimming near the surface while others are near the bottom of the aquarium. The aquarium is placed in a room with other furniture, and there is a reflection of the room visible in the glass of the aquarium.