The video shows a close-up of a fish tank with several fish swimming around. The fish are of different sizes and colors, and the tank is decorated with plants and rocks. The water is clear, and the lighting is bright, highlighting the vibrant colors of the fish and the tank decorations. The fish are seen swimming in different directions, some near the surface and others near the bottom of the tank. The tank appears to be well-maintained, with clean water and no visible debris. Overall, the video provides a peaceful and calming view of the fish tank and its inhabitants.