The video shows a close-up of a fish tank with various fish swimming around. The fish are of different sizes and colors, including orange, white, and black. The tank is decorated with rocks and coral, creating a natural underwater environment. The fish are seen swimming in different directions, some near the top of the tank and others near the bottom. The water is clear, and bubbles can be seen rising to the surface. The lighting in the tank highlights the vibrant colors of the fish and the intricate details of the tank decorations.