The video shows a fish tank with several fish swimming around. The fish are of different sizes and colors, including white, yellow, and orange. The tank is filled with water and has a large rock in the center. The fish are swimming around the rock and each other, creating a lively and dynamic scene. The lighting in the tank highlights the vibrant colors of the fish and the texture of the rock. The water is clear, allowing for a good view of the fish and their movements.