The video shows a group of koi fish swimming in a pond. The fish come in various colors, including white, orange, and red. They are seen swimming around the pond, which has rocks and plants in it. The water is clear, and the fish are of different sizes. The fish are moving slowly and gracefully, and there is no visible feeding or aggressive behavior. The pond appears to be well-maintained, with no visible debris or pollution. The video does not show any human interaction with the fish.