Water Gardening: Do KOI get bored?, 1 by baagrant

baagrant wrote:
Why is having goldfish in a koi pond a big mistake? I have 4 large (18" or so)koi and a great number of large goldfish (but smaller than my koi). I've never noticed any problems having both together. But I have given up having most aquatic plants. Duck potato seems to be able to exist with all the koi antics, but that is the only one so far that survives year to year. We've had in our 3'deep pool since the early 90s.