The video shows a person in scuba gear underwater, with a tuna bait visible in the water. The person is holding onto a rope attached to the bait. There are several fish swimming around, and a large tuna fish is seen swimming close to the person. The water is clear and blue, and the light from the surface is visible. The person appears to be in a controlled environment, possibly a controlled feeding area for marine life. The tuna bait is a large, cylindrical object with a fishing line attached to it. The person is wearing a wetsuit, flippers, and a mask. The fish are of various sizes and colors, with the tuna being the largest and most prominent.