Also known as Dragon Koi, Dragon Carp and Long-finned koi (“onagaoi” or “hire naga koi”in Japanese), these koi are characterized by longer, flowing dorsal, pectoral, ventral and caudal fins. Legend has it that the term “Butterfly Koi” was coined in the United States by Blue Ridge Fish Hatchery president, Randy LeFever.

Origins

Butterfly Koi are a fairly recent addition to the koi annals, originating in the mid-20th century and gaining popularity in the 1980s.

The Butterfly Koi genesis began with the wild population of Indonesian long-finned carp. How the original Indonesian type came to be, is the topic of speculation, but it is their particular anatomy that is responsible for the ornamental Butterfly Koi available for sale today.

There is also a debate as to where Butterfly Koi were first bred. Some believe that the Japanese used their Indonesian neighbor’s long-fin carp as a food source as well as means of adding hardiness to the existing koi stock.

It is also documented that the Butterfly Koi have roots in the U.S. Blue Ridge Fish Hatchery recognized the massive potential for an added revenue stream with a new breed of koi that differed from the standard fin koi by crossbreeding traditional koi with the same Indonesian carp. With many different breeders actively trying to develop new koi types, it is feasible that different Butterfly Koi lineages could exist.

(To read the full story about Blue Ridge Fish Hatchery and Butterfly Koi, click here.)

AppearanceDoitsu Platinum Ogon Jumbo Butterfly Koi

This type of koi is immediately noticeable by the fan-like nature of the finnage. Thanks in large part to the ease with which the two type can interbreed, they are available in almost all of the same color and scale-type variations as standard fin koi. The patterns, however, are slightly different than traditional koi.

They also generally have longer barbells and wider nares (or “pompom nostrils”) and are slightly narrower in body shape. Although slightly smaller than traditional koi, Butterfly Koi are also available in “jumbo” size (available for sale at Next Day Koi), reaching over 17 inches in length.

Butterfly Koi are more popular in the U.S. than most other areas of the world and are sometimes referred to abroad as “American Koi”. Their appearance and increased disease resistance—a byproduct of their “hybrid vigor” (or heterosis)—make them an ideal denizen of any koi pond.

Despite their hardiness and beauty, however, some factions of koi breeders and enthusiasts consider this recent incarnation of hybrid koi to be undesirable and inferior—an interesting mindset considering the diversity and versatility of koi breeding is what makes these brocaded carp so unique and appealing.

No matter which koi you prefer, Next Day Koi can accommodate your tastes. We offer a wide selection of koi fish sourced from some of the best farms around the world to help you stock it.

Coupled with a great selection of both sizes and types, we leverage our high volume of shipping through UPS to bring you some of the most competitive Next Day Air shipping rates in the industry.

Contact one of our representatives to see how we can help you stock your pond with Butterfly Koi.

2 responses

  1. Margie Burstein :

    I am in search
    of a healthy long fin to join my other two koi. I want a yellow —gold fish 12 inches long

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