Just bought this place about a year ago, have a good size pond with a ton of koi fish come to find out. Whoever lived here before us must have been breeding them. Most of the fish our golden, some with black spots, and some or like white to pinkish color. Size is anywhere from 4 inch to a foot long, average is about 5 to 6 inch long. Very beautiful. Would love to find buyers because the pond is ridiculously full. Live in central NY, anyone with interest or helpful tips please reply thank you. Serge