The video shows a fish tank with several fish swimming around. The fish are of different sizes and colors, and the tank is decorated with rocks and plants. The water is clear, and the lighting is bright, highlighting the vibrant colors of the fish and the tank's decorations. The fish are swimming calmly, and there is no visible food or other objects in the tank. The video is shot from the outside of the tank, and the camera is stationary, providing a clear view of the fish and their surroundings.