A medium shot shows several koi fish swimming in a tank. The fish are of various colors, including orange, white, and pinkish-white. The water is murky and filled with bubbles, suggesting an aeration system is in use. A black corrugated tube is visible on the left side of the frame, likely part of the filtration or aeration system. Other tubes and equipment are also visible at the top of the tank. The lighting is bright, illuminating the fish and creating reflections on the water's surface. The fish appear to be actively swimming and interacting with each other.