The video shows a shark swimming in the water. The shark's tail is visible, and it appears to be moving through the water. The shark's body is not visible in the frame, but its tail fin is prominently displayed. The water is murky, and there are rocks visible at the bottom of the frame. The shark's movements are smooth and graceful, and it seems to be swimming at a steady pace. The video does not show any other creatures or objects in the water.