The video shows a large fish tank with a variety of fish swimming around. The tank is filled with water and has a blue background. There are several different types of fish, including some that are orange and others that are black. The fish are swimming around the tank, some near the top and others near the bottom. The tank is well-lit, and the fish are clearly visible. The water is clear, and the fish are moving smoothly through it. The tank appears to be well-maintained, and the fish seem to be healthy and active.