Raising the bright orange or red koi, an ornamental fish that's both beautiful and valuable, requires careful consideration and unique resources in order to create a profitable business. The key is ...

The radiant plumage of flamingos wouldn’t be possible without their special diets. Neither would the color of salmon, or koi. The right food can even dye humans – especially babies. At a zoo I visited ...

In most cities, drainage canals fade into the background. They run along streets and do their job without much notice.

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 ...

The 31 koi donated by Joseph Zuritsky are already living in the pond at the Japanese House and Garden. More will be introduced in May, when the water is warmer. (Emma Lee/WHYY) Joseph Zuritsky (right) ...