Koi ponds have a way of creating instant calm—from the sound of the water to the way the fish move, the experience is a Zen escape. “A koi pond adds magic,” said Janice Parker of Janice Parker ...

Koi (caprinus carpio) are taking American ponds to new depths. Interest is booming, according to Carl Forss, who imports high-quality Japanese koi through his company called Keirin Koi in Allentown.