Language of Koi

Koi content that appears in the print magazine.

Golden Corn Koi

Language of Koi | Golden Corn Koi Variety Debuts in Japan

Ever so many years, thanks to breeders’ efforts, we enjoy encountering new varieties. Most of the time, however, they are a metallic, Ginrin or Doitsu version of existing varieties. I believe only few can be called a completely new variety. Golden Corn, which I am going to introduce here, is one of the few new …

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Language of Koi | Understanding Color-Changing Koi 

Koi, or nishikigoi, are known as living jewels. In Japanese, koi means love or affection. What makes them so special? Koi are smart fish with brilliant colors, body confirmation and personality. They can be fed out of your hand. They are so mesmerizing that people keep coming back to check on them. Feeding them is …

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Language of Koi | The Dramatic Beauty of Doitsu Koi

Doitsu koi are gaining in popularity with backyard pond owners. These koi without scales truly are a beautiful addition to any koi pond or collection. They stand out brilliantly in pond water due to the absence of scales, bright colors and a dramatic overall appearance. Metallic-variety Doitsu koi usually have dazzling iridescent skin, which can …

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Language of Koi | Rare Varieties at the Japan Koi Harvest

October is the most exciting time of the year for all koi dealers and hobbyists. It is also the time of the koi harvests in Japan. Every day in October, breeders harvest so many living jewels. Before COVID-19, buyers from all over the world came to the small towns of Ojiya and Nagaoka in Niigata, …

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Troubleshooting Unusual Pond Koi and Water Quality Problems

We recently received a call from a customer who reported something they had not seen in more than 46 years. Their pond had been rebuilt last season, and the rebalancing act had become a bit of a mess, thanks in part to this season’s extremely hot weather. After getting the water quality in check, they …

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Language of Koi | How to Choose the Right Koi

For koi enthusiasts, traveling to Japan, the birthplace of koi fish, is a once-in-a-lifetime experience. As koi dealers, we are spoiled and usually get to travel to Japan at least once a year. After five years of going on koi-buying trips, we have been lucky to learn from the top breeders about what to look …

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Language of Koi | Quarantining New Koi Arrivals

Are your fish clean? Do they have parasites, or have they been mixed with a contaminated batch of fish that have shown problems? There is a saying among fish dealers: “All fish dealers are liars except you and I, and I’m not so sure about you!” You purchased your koi, so now what? Do you …

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