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From Tradition to Global Fame: The History of Koi Breeders in Niigata, Japan

Updated: May 3

Koi, often referred to as "living jewels," are admired for their intricate patterns, vivid colors, and serene elegance. Behind their beauty lies an extraordinary cultural heritage deeply rooted in Japan's Niigata Prefecture. This region is the birthplace of Nishikigoi, or ornamental carp, and its koi breeders have become world reknowned.

This post explores the fascinating history of koi breeding in Niigata, from modest agricultural beginnings to their current status as prized icons of beauty and tradition.


Origins of Koi Breeding in Niigata


Koi breeding has its roots in the mountainous agricultural region of Niigata, known for its icy winters and rice paddies. During the early 19th century (around the 1820s), rice farmers in the area began noticing natural color mutations in wild carp they kept in their irrigation ponds.

What started as a practical method of sustaining fish stocks during the long winter months turned into a passionate discovery. Farmers selectively bred koi with unique patterns and vibrant colors, eventually resulting in the striking Nishikigoi we recognize today.


Koi's Bigger Stage


The turning point for koi breeding came in 1914 at the Tokyo Taisho Exposition in Ueno Park. This major cultural event introduced Nishikigoi to the 7.5 million people attending, greatly boosting Nishikigoi’s prominence. Japan's Crown Prince Hirohito (later Emperor Showa) liked them enough he had some added to the Imperial Palace gardens, which further elevated their status as an art form.

Soon, koi became a symbol of beauty, prosperity, and good fortune, adorning private ponds and Japanese gardens across the country.


Entrance to the 1914 Tokyo Exposition
Tokyo Taisho Exhibition of 1914 Entrance Gate


Emperor Hirohito in Dress Uniform; Koi Sketches presented at the 1914 Tokyo Exposition. (Images: Wikipedia)



The Rise of Nishikigoi Popularity


By the mid-20th century, Nishikigoi had captured the attention of international enthusiasts. Koi gained a following among collectors, hobbyists, and businesses worldwide. Their increasing fame cemented Niigata as the heart and soul of koi breeding. Technique and tradition were passed down through generations of breeders, each family perfecting their craft and elevating the koi to new levels of quality. Deep respect for the koi and its environment is woven into everything from the breeding process to the maintenance of pristine water conditions. This artistry and commitment earned Nishikigoi their nickname, "living jewels," and contributed to their status as a global icon of elegance and grace.

In 2022, Nishikigoi reached another milestone when significant terms and the names of 21 varieties were standardized under the Japanese Agricultural Standards (JAS). Today, Nishikigoi is a symbol of the Japanese brand and a critical export item. Through the dedication of breeders, over 150 varieties have been developed and are cherished worldwide.


Famous Koi Breeders and Farms in Niigata


Niigata boasts a community of expert koi breeders who have become legendary in the world of Nishikigoi. Two of the most renowned koi farms are Dainichi Koi Farm and Marusei Koi Farm.


Dainichi Koi Farm


Nestled in the heart of Ojiya, Niigata, Dainichi Koi Farm is one of the most iconic koi breeding establishments in Japan. Established in the mid-1900s by Minoru Mano, this family-run farm is famed for its high-quality bloodlines and stunning koi varieties, such as Dainichi Kohaku, Dainichi Showa, and Dainichi Sanke.

Over the years, the Mano family has carefully refined the art of koi breeding, and Minoru's sons, Futoshi and Shigeru, now operate this global empire. Their koi consistently set benchmarks in the industry, regularly winning awards and fetching extraordinary prices at auctions.


Marusei Koi Farm


Founded by Seitaro Hirasawa in 1960, Marusei Koi Farm also plays a vital role in the koi breeding tradition. Located near the village of Mushigame, it is one of the largest koi farms in Japan.


Seitaro Hirasawa Koi Breeder
Seitaro Hirasawa: Legend

After Seitaro laid its foundation, his son Yoshiyuki Hirasawa expanded the family operation on a massive scale, introducing premium koi to worldwide markets. Marusei remains a leader in koi variety and reliability, fueling the dreams of collectors across the globe.


Modern-Day Koi in Every Corner of the World


Today, the Nishikigoi tradition has truly transcended borders. Koi shows and competitions are held across continents, and dedicated enthusiasts travel to Niigata to experience its thriving farms firsthand.  Beyond their ornamental appeal, Nishikigoi serve as living symbols of Japan’s cultural heritage. They appear in art, architecture, and even fashion, extending their influence into unexpected corners of life.

Despite their global success, the heart of koi breeding remains in Niigata, a place where innovation meets tradition and generations of passion continue to be fueled by the love for these exquisite creatures.


Bringing Koi into Your Life


The legacy of Niigata's koi breeders is a testament to their artistry and the universal appeal of Nishikigoi. If you’re a koi enthusiast, adding a Nishikigoi from the breeders of Niigata to your pond or simply learning more about this tradition is a beautiful way to connect with Japan’s cultural roots.

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