In the video, a person is seen petting a fish inside a tank. The fish has a black and white color pattern and appears to be a catfish. The person's hand is visible as they gently stroke the fish, which seems to be enjoying the attention. The tank is filled with water, and the background is blue. The person's hand is the only part of them that is visible in the video. The fish is the main focus of the video, and the person's interaction with it is the main action.