The video shows a close-up of a fish swimming in the water. The fish is mostly dark in color, with some lighter spots on its body. It moves gracefully through the water, its fins and tail gently propelling it forward. The water is clear, and the light reflects off the surface, creating a shimmering effect. The fish appears to be alone in the frame, with no other fish or objects visible. The video is shot from a side angle, allowing a clear view of the fish's movements and features.