This video shows a fish tank with several fish swimming around. The fish are of different sizes and colors, including white, black, and yellow. The tank is decorated with green plants and rocks, creating a natural habitat for the fish. The water is clear, and the lighting in the tank highlights the vibrant colors of the fish and the plants. The fish are seen swimming in different directions, some near the surface and others near the bottom of the tank. The video provides a peaceful and calming view of the fish tank, with the gentle movement of the fish and the swaying of the plants.