In the video, a person is seen holding a large fish on a concrete floor. The person is using a knife to cut the fish open. The fish appears to be a large, dark-colored fish with a shiny, wet surface. The person's hands are visible, and they are wearing a white long-sleeved shirt. The knife used is a small, sharp knife. The person is cutting the fish from the head towards the tail. The background is a plain concrete floor, and there are no other objects or people visible in the video.