In the video, we see a large fish tank with a variety of colorful coral and fish swimming around. The tank is well-lit, and the water is clear. The camera pans around the tank, giving us a closer look at the different types of coral and fish. The tank appears to be well-maintained and clean, with no visible algae or debris. The fish are active and seem to be healthy. Overall, the video provides a detailed view of a beautiful and well-cared-for aquarium.