The ornamental fish breed retails between $20 and $20,000 on average per fish. Local company Ohio Koi's home to thousands of them.

Greenhouses at Blue Ridge Fish Hatchery don’t hold seedlings. Instead, they’re filled with tanks of fish—koi, butterfly koi, and goldfish—that the company ships to koi dealers, garden centers, ...

In most Japanese cultures, koi represent a material and spiritual abundance or advancement. Koi fish are always at ease in the water, flowing as the tide runs deep under water. Feng shui, a spiritual ...

Once a simple food fish, koi have transformed into living jewels, with some fetching sky-high prices in the global luxury market. Here's how this happened. In the world of high-end pets, few creatures ...