Ray Armstrong and Robert Winkler admit to being “koi kichi” — koi crazy. They certainly are. The dentists are so enthralled with koi that they travel to Japan at least once a year to buy some of these ...

A dozen koi fish poke their faces up to the pond’s surface, hoping for a bite to eat. They’re smarter and more social than most would give them credit for, and they recognize horticulturists Mark ...