The video captures a black and orange goldfish swimming in a tank. The fish has a predominantly black body with orange patches on its head and tail. It has a large, flowing tail and fins that it moves gracefully as it swims. The background of the tank is dark, which contrasts with the bright colors of the fish. The tank appears to be well-maintained, with clear water and no visible debris. The fish moves smoothly and effortlessly, displaying the beauty and elegance of its movements.