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 ...

Is a goldfish the "Loch Ness" of a small South Carolina lake? Or is a small koi on the loose? The identity of this fish remains a mystery. Parks and recreation workers in South Carolina found what ...

The typical cost to build a koi pond ranges from $450 to $100,000, with a national average cost of $14,000. The main factors that affect koi pond cost include the pond size and shape, excavation, ...

Sourcing and selling koi carp — some of the most expensive pet fish in the world — can be both a profitable business and an enjoyable pursuit. This is especially true for Tim Waddington, the owner of ...

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) ...

A koi pond often appears calm and peaceful on the surface. Fish glide through the water while gentle ripples create a tranquil scene. Beneath that surface, however, a complex chemical system operates ...