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Built Upon the Trust of BROTHERHOOD

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PREMIUM Nishikigoi

Our koi are sourced from top breeders around the world, ensuring the highest-quality koi with great growth and show potential.

Shop PREMIUM NISHIKIGOI

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  • Sea Side Aquatics All-Season

    $34.95

    Sea Side Aquatics All-Season

    $34.95

    Premium floating koi food with immune systen support for year-round feeding.

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  • Sea Side Aquatics All-Season

    $125.95

    Sea Side Aquatics All-Season

    $125.95

    Premium floating koi food with immune systen support for year-round feeding.

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  • Sea Side Aquatics Champion Build-Up

    $68.95

    Sea Side Aquatics Champion Build-Up

    $68.95

    Premium sinking koi food designed for rapid growth without compromising conformation.

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  • Sea Side Aquatics Fast Color

    $72.95

    Sea Side Aquatics Fast Color

    $72.95

    Premium floating koi food that boosts color quickly; great show prep feed!

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  • Sea Side Aquatics Quick Grow

    $145.95

    Sea Side Aquatics Quick Grow

    $145.95

    Premium floating koi food designed for fast growth with pellet sizing perfect for any adult koi.

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  • Sea Side Aquatics Quick Grow SMALL

    $149.95

    Sea Side Aquatics Quick Grow SMALL

    $149.95

    Premium floating koi food designed for fast growth with pellet sizing perfect for juvenile or small koi.

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  • Sea Side Aquatics All-Season

    $34.95

    Sea Side Aquatics All-Season

    $34.95

    Premium floating koi food with immune systen support for year-round feeding.

    Quick View
  • Sea Side Aquatics All-Season

    $125.95

    Sea Side Aquatics All-Season

    $125.95

    Premium floating koi food with immune systen support for year-round feeding.

    Quick View
  • Sea Side Aquatics Champion Build-Up

    $68.95

    Sea Side Aquatics Champion Build-Up

    $68.95

    Premium sinking koi food designed for rapid growth without compromising conformation.

    Quick View
  • Sea Side Aquatics Fast Color

    $72.95

    Sea Side Aquatics Fast Color

    $72.95

    Premium floating koi food that boosts color quickly; great show prep feed!

    Quick View
  • Sea Side Aquatics Quick Grow

    $145.95

    Sea Side Aquatics Quick Grow

    $145.95

    Premium floating koi food designed for fast growth with pellet sizing perfect for any adult koi.

    Quick View
  • Sea Side Aquatics Quick Grow SMALL

    $149.95

    Sea Side Aquatics Quick Grow SMALL

    $149.95

    Premium floating koi food designed for fast growth with pellet sizing perfect for juvenile or small koi.

    Quick View
  • Kyodai Koi - 0031 U sanke

    Sanke

    $1,200.00

    Sanke

    $1,200.00

    Sex: Unknown
    Age: Nisai (2 years)
    17″

    1 in stock

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  • Kyodai Koi - 0035 F sanke

    Sanke

    $1,250.00

    Sanke

    $1,250.00

    Sex: Unknown
    Age: Nisai (2 years)
    16-18″
    CERTIFICATE

    1 in stock

    Quick View
  • Kyodai Koi - 0056 U sanke

    Sanke

    $1,450.00

    Sanke

    $1,450.00

    Sex: Unknown
    Age: Nisai (2 years)
    16-18″
    CERTIFICATE

    1 in stock

    Quick View
  • Kyodai Koi - 0060 U sanke

    Sanke

    $1,225.00

    Sanke

    $1,225.00

    Sex: Unknown
    Age: Nisai (2 years)
    16-18″

    1 in stock

    Quick View
  • Kyodai Koi - 0022 F shiro

    Shiro

    $565.00

    Shiro

    $565.00

    Sex: Female
    Age: Nisai (2 years)
    14″
    Azukari Option Available!

    1 in stock

    Quick View
  • Kyodai Koi - 0049 F shiro

    Shiro

    $625.00

    Shiro

    $625.00

    Sex: Female
    Age: Nisai (2 years)
    15″

    1 in stock

    Quick View
  • Kyodai Koi - 0017 F showa

    Showa

    $1,250.00

    Showa

    $1,250.00

    Sex: Unknown
    Age: Nisai (2 years)
    16-18″
    Azukari Option Available!

    1 in stock

    Quick View
  • Showa

    $1,215.00

    Showa

    $1,215.00

    Sex: Unknown
    Age: Nisai (2 years)

    1 in stock

    Quick View
  • Kyodai Koi - 0026 F showa

    Showa

    $1,505.00

    Showa

    $1,505.00

    Sex: Unknown
    Age: Nisai (2 years)
    18″

    1 in stock

    Quick View
  • Kyodai Koi - 0028 U showa

    Showa

    $1,500.00

    Showa

    $1,500.00

    Sex: Unknown
    Age: Nisai (2 years)
    18″

    1 in stock

    Quick View
  • Kyodai Koi - 0036 F showa

    Showa

    $1,405.00

    Showa

    $1,405.00

    Sex: Unknown
    Age: Nisai (2 years)
    16-18″

    1 in stock

    Quick View
  • Kyodai Koi - 0038 F showa

    Showa

    $1,255.00

    Showa

    $1,255.00

    Sex: Unknown
    Age: Nisai (2 years)
    16-18″

    1 in stock

    Quick View
  • Showa

    $1,175.00

    Showa

    $1,175.00

    Sex: Unknown
    Age: Nisai (2 years)

    1 in stock

    Quick View
  • Kyodai Koi - 0048 U showa

    Showa

    $1,450.00

    Showa

    $1,450.00

    Sex: Unknown
    Age: Nisai (2 years)
    16-18″

    1 in stock

    Quick View
  • Kyodai Koi - 0055 U showa

    Showa

    $1,200.00

    Showa

    $1,200.00

    Sex: Unknown
    Age: Nisai (2 years)
    16-18″

    1 in stock

    Quick View
  • Sale!

    Variety Tosai: Bundle of 4

    $235.00

    Variety Tosai: Bundle of 4

    $235.00

    Budle of 4.
    Variety: Variety Tosai
    Sex: Unknown
    Age: Tosai (1 year)
    6-7″

     

    Message us with what varieties you’re interested in and we’ll prepare a custom mix just for you!

    1 in stock

    Quick View
  • Kyodai Koi - 0031 U sanke

    Sanke

    $1,200.00

    Sanke

    $1,200.00

    Sex: Unknown
    Age: Nisai (2 years)
    17″

    1 in stock

    Quick View
  • Kyodai Koi - 0035 F sanke

    Sanke

    $1,250.00

    Sanke

    $1,250.00

    Sex: Unknown
    Age: Nisai (2 years)
    16-18″
    CERTIFICATE

    1 in stock

    Quick View
  • Kyodai Koi - 0056 U sanke

    Sanke

    $1,450.00

    Sanke

    $1,450.00

    Sex: Unknown
    Age: Nisai (2 years)
    16-18″
    CERTIFICATE

    1 in stock

    Quick View
  • Kyodai Koi - 0060 U sanke

    Sanke

    $1,225.00

    Sanke

    $1,225.00

    Sex: Unknown
    Age: Nisai (2 years)
    16-18″

    1 in stock

    Quick View
  • Kyodai Koi - 0022 F shiro

    Shiro

    $565.00

    Shiro

    $565.00

    Sex: Female
    Age: Nisai (2 years)
    14″
    Azukari Option Available!

    1 in stock

    Quick View
  • Kyodai Koi - 0049 F shiro

    Shiro

    $625.00

    Shiro

    $625.00

    Sex: Female
    Age: Nisai (2 years)
    15″

    1 in stock

    Quick View
  • Kyodai Koi - 0017 F showa

    Showa

    $1,250.00

    Showa

    $1,250.00

    Sex: Unknown
    Age: Nisai (2 years)
    16-18″
    Azukari Option Available!

    1 in stock

    Quick View
  • Showa

    $1,215.00

    Showa

    $1,215.00

    Sex: Unknown
    Age: Nisai (2 years)

    1 in stock

    Quick View
  • Kyodai Koi - 0026 F showa

    Showa

    $1,505.00

    Showa

    $1,505.00

    Sex: Unknown
    Age: Nisai (2 years)
    18″

    1 in stock

    Quick View
  • Kyodai Koi - 0028 U showa

    Showa

    $1,500.00

    Showa

    $1,500.00

    Sex: Unknown
    Age: Nisai (2 years)
    18″

    1 in stock

    Quick View
  • Kyodai Koi - 0036 F showa

    Showa

    $1,405.00

    Showa

    $1,405.00

    Sex: Unknown
    Age: Nisai (2 years)
    16-18″

    1 in stock

    Quick View
  • Kyodai Koi - 0038 F showa

    Showa

    $1,255.00

    Showa

    $1,255.00

    Sex: Unknown
    Age: Nisai (2 years)
    16-18″

    1 in stock

    Quick View
  • Showa

    $1,175.00

    Showa

    $1,175.00

    Sex: Unknown
    Age: Nisai (2 years)

    1 in stock

    Quick View
  • Kyodai Koi - 0048 U showa

    Showa

    $1,450.00

    Showa

    $1,450.00

    Sex: Unknown
    Age: Nisai (2 years)
    16-18″

    1 in stock

    Quick View
  • Kyodai Koi - 0055 U showa

    Showa

    $1,200.00

    Showa

    $1,200.00

    Sex: Unknown
    Age: Nisai (2 years)
    16-18″

    1 in stock

    Quick View
  • Sale!

    Variety Tosai: Bundle of 4

    $235.00

    Variety Tosai: Bundle of 4

    $235.00

    Budle of 4.
    Variety: Variety Tosai
    Sex: Unknown
    Age: Tosai (1 year)
    6-7″

     

    Message us with what varieties you’re interested in and we’ll prepare a custom mix just for you!

    1 in stock

    Quick View

Our FACILITY

Kyodai roughly translates to brotherhood, which is exactly what we were built upon.
It was only through the assistance of friends and family that we all begin to learn and love the koi in this hobby. From the conceptualizing and building of a pond through the purchase of your first koi, you interact with others every step of the way.

Kyodai began with founder and owner Alex Nguyen, who was an avid collector of show-quality Nishikigoi. The greatest enjoyment, he discovered, was in selecting and growing out the highest-quality Nishikigoi for show. As his hobby grew, he began sharing his prized Nishikigoi with friends, who then told their friends…and thus Kyodai Koi began.

Top Facilities

We have several greenhouse ponds in addition to a 750,000-gallon mud pond, located in Louisville, Kentucky. When purchasing female koi, we offer Azukari options for continuing to grow your selection in our Kentucky-clay, mineral-rich mud, with a Niigata-style harvest in the fall. If your koi is not found in the pull, instead of offering a replacement, we will give a full refund. Why? Because we acknowledge and respect that no two koi are the same, so giving credit simply isn’t enough!

Customer Service

We are here to provide excellent communication, care, and customer service to all of our consumers. This industry is our hobby and our passion, and we want to preserve honesty and integrity among koi dealers. Koi are our passion – as animal lovers at heart, we are dedicated to providing only the highest-quality accommodations for our Nishikigoi. You can ensure you are receiving a fish of superior standards – and health!

Our Champions

TARAZO KOHAKU

Female – 32″
Grand Champion x2

MARUSEI SHOWA

Female – 34″
Grand Champion x2,
Supreme Champion x1

MARUDO SHOWA

Female – 33″
Won Mature Champion as a young fish, has even better conformation now.

Designed for Every Day

We know how hard you work. Our products are meticiulously designed to support you and your busy lifestyle. 

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