The video shows a fish tank with several fish swimming around. The tank is decorated with rocks and plants, creating a natural habitat for the fish. The water is clear, and the fish are of different sizes and colors. Some fish are swimming near the surface, while others are hiding among the rocks and plants. The lighting in the tank highlights the vibrant colors of the fish and the greenery of the plants. The fish appear to be healthy and active, moving around the tank with ease.