This media file captures a school of koi fish swimming in a dark, possibly pond or aquarium, environment. The fish display a variety of colors, including orange, white, red, and black markings, characteristic of koi carp. Some fish are brightly colored, while others have more muted or patterned scales. Small bubbles are visible on the surface of the water, suggesting aeration or movement. The lighting appears to be dim, possibly indicating an indoor setting or an evening time outdoors. Reflections of overhead foliage or structures can be seen on the water's surface. A reddish-brown object, possibly the edge of a structure or container, is visible in the lower right corner of the frame. The overall scene is peaceful and serene, focusing on the natural beauty and movement of the fish. There is no visible text in the media file.