The video shows a large fish swimming in a tank. The fish is mostly white with black spots and has a long tail and fins. The tank is made of glass and has a green border at the bottom. There are several people standing around the tank, watching the fish. One person is holding a camera and filming the fish. The fish is swimming around the tank, occasionally coming up to the surface. The water in the tank is clear, and there are no other fish or objects visible.