In the video, a person is seen holding a small toy fish above a glass of water. The fish is pink and blue in color and has a cartoonish appearance. The person then drops the toy fish into the water, causing it to sink to the bottom of the glass. The glass is placed on a colorful surface, and there are other toys visible in the background. The water in the glass is clear, and the fish is the only object that is being interacted with.