The video shows a walrus in a tank of water. The walrus is lying on its side and is being fed a piece of lettuce by a person. The walrus takes the lettuce from the person's hand and eats it. The walrus has a large head with a whiskered snout and a body covered in brown skin. The water in the tank is clear, and the bottom of the tank is visible. The person feeding the walrus is not shown in the video.