According to Business Insider, the most expensive koi fish ever was sold for $1.8 million dollars. This koi fish won \"grand champion\" at the 2017...

In general, there is no specific color koi that is the most expensive. However, the most expensive koi ever sold in 2017 in Japan for $1.7 million...

If you're in the process of building or planning your first koi pond, you can't go wrong with the common koi available at your local fish or pet st...

Black koi, such as Karasugoi and Karasu, are some of the rare examples of fully black colored koi. Unknown outside of Japan until relatively recent...

You can tell a good quality koi by examining the body for balance and symmetry with a straight line from the head to the tail. A good quality koi s...