Hikari Wheat-Germ is a highly nutritious, easily assimilated, highly digestible daily diet for koi and other pond fish, including goldfish. Developed through many years of breeding experience, this highly nutritious diet is extremely effective in cooler climates which experience a winter season. Give your koi a jump on this years show-off months, feed Hikari Wheat-Germ year round. It will have your aquatic pet looking their best while improving their fertility.