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

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 ...

In Northern Michigan, the Glen Lake Association recently hired bowfishers to remove invasive koi fish from the lake — and not a moment too soon, as it turned out. Three of the four koi removed from ...

Nishikigoi, better known as koi fish, are a well-known variety of the common carp. They are bright red and white and revered for their vibrance and grace. Even other animals, including their predators ...

EUGENE, Ore. (KTVZ) – Oregon Department of Fish and Wildlife staff responded to a report made Wednesday to the Oregon Invasive Species Hotline that a koi (fish) was spotted near the Armitage Boat ...

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 ...

PORTLAND, Ore. (KOIN) — A large koi fish was spotted and removed from the McKenzie River near Eugene after a report to the Oregon Invasive Species Hotline on Wednesday. The Oregon Department of Fish ...