This fish sold for $1.8 million — here's why some koi fish are so expensive Koi fish are colorful patterned common carp that are now celebrated in annual koi shows and kept in ponds all over the world ...

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 ...

Many dedicated keepers find that patience and a steady routine yield the healthiest, most striking fish, enhancing both their ...

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) ...