The video shows a close-up shot of a red fish swimming in a tank. The fish is small and slender, with a long body and a pointed nose. It is swimming near the bottom of the tank, which is covered in rocks and coral. The water is clear, and the lighting in the tank highlights the vibrant colors of the fish and the surrounding environment. The fish moves gracefully, its fins undulating as it navigates through the water. There are no other fish visible in the shot, and the focus is solely on the red fish and its movements.