The video shows a large fish swimming in the water. The fish has a blue light shining on it, highlighting its scales and fins. The fish is moving slowly and gracefully, with its fins and tail gently propelling it through the water. The background is dark, suggesting that the video was taken in a deep underwater environment. The fish appears to be the only living creature in the frame, and there are no other objects or creatures visible. The video is shot from a close-up angle, focusing on the fish's body and movements.