About this item The perfect koi food treat for teaching koi & other pond fish to feed from your hand. Japanese Koi Food Great for Low Temperatures – feed your koi Manda Fu even when the water temperature drops as low as 45F to 50F degrees. Benefits of Manda Fu Kodama Koi Food include: Enhanced Health, Softer & Smoother Digestion, Gorgeous Scales, More Dynamic Colors Improve health and the lustrous color of your koi all while feeding them from the palm of your hand