The video shows a person's hand moving around a blue-colored tank filled with rocks and blue substrate. The person is seen picking up a piece of food and moving it around in the tank. The tank appears to be a small-sized aquarium, and the person is wearing a green long-sleeved shirt. The substrate is a bright blue color, and the rocks are grey. There is no visible fish or other aquatic life in the tank. The person's hand moves in a circular motion, and the piece of food is not clearly visible.