The video shows a close-up view of a fish tank with various types of fish swimming around. The fish are of different sizes and colors, including black, white, and orange. The tank is made of glass and has a green grid pattern on the bottom. There are also rocks and plants in the tank, providing a natural habitat for the fish. The water is clear, and the fish are seen swimming in different directions, some near the surface and others near the bottom of the tank.