In the video, a person is seen holding a large fish in a sink. The fish is being held by its mouth, and the person is using a knife to cut the fish's mouth open. The person's hands are visible, and they are wearing a white shirt. The sink is white, and there is a green object in the background. The fish appears to be a large, dark-colored fish with a silver belly. The person's movements are careful and precise as they cut through the fish's mouth.