In the video, a person is seen holding a fish in their left hand and a knife in their right hand. The person is using the knife to cut the fish, which is lying on a green cutting board. The fish appears to be a large one, with a silver body and black fins. The person's movements are precise and careful as they cut through the fish's flesh. The background is not visible in the video, focusing the viewer's attention solely on the action of cutting the fish.