The video shows three small fish swimming in a clear container of water. The fish are a reddish-pink color with white translucent fins. The backdrop of the container features a black surface with a silhouette of cactus plants, out of focus due to depth of field. The fish are moving at a leisurely pace, and there is no visible interaction among them. The water appears clear and clean, with a few tiny particles floating within. The lighting is bright, showcasing the colors of the fish.