The video shows a close-up view of a fish tank with a variety of colorful fish swimming around. The fish are of different sizes and colors, including pink, yellow, and black. The tank is decorated with green plants and rocks, creating a natural habitat for the fish. The water is clear, and the lighting is bright, highlighting the vibrant colors of the fish and the plants. The fish are seen swimming in different directions, some hiding behind the plants, while others swim in the open water. The video captures the peaceful and serene environment of the fish tank.