Koi are curious by nature, everyone has a unique personality. Koi Pond plants may be food, entertainment, and even ignored. Unfortunately there is no way to predict your particular fish will react. Under normal circumstances it works better than introducing a plant into the pond, koi pond, koi established the introduction of the Koi pond plants. Koi are curious fish and will exceed the additional investigation. Then, if they will start eating away all the plants eating plants, because they learn from each other.