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(2) 8-9" Koi Pair #J31051(X46)
This 8–9 inch Koi Pair features two beautifully patterned koi with rich metallic tones and striking contrast that will stand out in any pond. Both koi display a golden-orange base color accented with bold black patterning, creating strong visual...
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(2) 8.5" Gosanke Butterfly Koi Pair #J31038(X42)
This listing features a pair of 8.5-inch Butterfly Koi showcasing two striking and highly recognizable koi color patterns. These longfin koi provide beautiful contrast in the pond while adding graceful movement with their flowing fins. One koi displays...
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10" Doitsu Butterfly Koi #J31036(P6)
This 10-inch Doitsu Hi Utsuri Butterfly Koi features dramatic contrast with deep black coloration paired with fiery red-orange patterning. The red coloration dominates the head and extends along the body while the rich sumi base provides bold contrast,...
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8.5" Sanke Butterfly Koi #J31034(P6)
This 8.5-inch Sanke Butterfly Koi combines the classic tri-color Sanke pattern with the elegant movement of long flowing butterfly fins. The koi displays a clean white base with vibrant red (hi) patterning across the body and contrasting black sumi...
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9" Aka Shusui Butterfly Koi #J22728(X23)
This 9-inch Aka Shusui Butterfly Koi displays a beautiful combination of vibrant red aka coloration and the distinctive dorsal scale row that defines the Shusui variety. The deep red pattern contrasts nicely against the lighter body, while the clean line...
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9.5" Beni Kikokuryu Butterfly Koi #J22718(X21)
This 9.5-inch Beni Kikokuryu Butterfly Koi features dramatic contrast and brilliant metallic shine combined with graceful flowing fins. The reflective platinum base is accented by bold black sumi and rich red beni, creating a striking three-color pattern...
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8" Kikokuryu Butterfly Koi #J22517(X17)
This 8-inch Kikokuryu Butterfly Koi showcases striking metallic contrast with a refined black-and-white presentation. A luminous platinum base reflects brightly beneath scattered sumi patterning that creates depth and movement across the body. The...
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9" Doitsu Yamato Nishiki Butterfly Koi #J22515(X17)
This 9-inch Doitsu Yamato Nishiki Butterfly Koi combines metallic brilliance with classic Sanke-style patterning and elegant long fins. A bright platinum base reflects light evenly across the smooth, scaleless body, enhancing the clarity of the vibrant...
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9.5" Kujaku Butterfly Koi #J22511(X17)
This 9.5-inch Kujaku Butterfly Koi blends brilliant metallic shine with intricate matsuba reticulation and elegant long-fin movement. The bright platinum base reflects light evenly, while crisp pinecone-style netting adds texture and depth across the...
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8.5" Yamabuki Hariwake Butterfly Koi #J2259(X16)
This 8.5-inch Yamabuki Hariwake Butterfly Koi features radiant golden-yellow patterning over a luminous platinum-white metallic base. The Yamabuki coloration is bright and saturated, creating bold contrast that stands out clearly in the pond. The...
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9" Shiro Bekko Butterfly Koi #J2255(X16)
This 9-inch Shiro Bekko Butterfly Koi features a clean white foundation accented by bold, well-placed sumi (black) markings. The bright shiroji provides strong contrast, allowing the black pattern to stand out clearly and create a balanced, eye-catching...
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8.5" Kujaku Butterfly Koi #J22344(X9)
This 8.5-inch Kujaku Butterfly Koi combines brilliant metallic sheen with intricate matsuba reticulation and graceful long-fin elegance. The bright platinum base is overlaid with crisp pinecone-style netting, creating texture and depth across the body...
Kloubec Koi Farm is a breeder of Butterfly koi as well as straight fin koi. All of our Butterfly parent stock are of Japanese lineage obtained from famous Japanese koi breeders Suda, Yamasan, and others. Butterfly koi fish are produced in many varieties including Sanke, Kohaku, Yamabuki Ogon, Showa, Kumonryu, Ochiba Shigure and more. We continuously strive to produce the best butterfly koi for sale with fins that are graceful and that are in accordance with the AKCA judging standards for Longfin koi.
Butterfly Koi are known for their elongated fins. Developed in the mid-21st century as a result of Japanese koi breeders’ efforts to improve the hardiness of traditional koi, they combined wild Indonesian Longfin river carp with their traditional koi. Not only was the outcome a hardier fish, it surprisingly featured longer fins and barbels, as well as exaggerated nostrils. Their decorative pompom nostrils are called narial bouquets.
Koi Fish FAQ
How big of a tank do butterfly koi need?
Butterfly koi are pond fish, and not easily adapted to aquarium habitats. However, if pristine water quality is maintained with filtration, some success may be achieved. When considering buying a butterfly koi for sale, it’s important to know how big of a tank you need. Butterfly Koi can quickly outgrow a small tank due to their rapid growth. A single koi fish could require 50 gallons or more of water. Butterfly Koi, on average, need anywhere between a 50 to 100-gallon tank for a fully grown koi, which is usually 10 inches or more, to live comfortably.
Do butterfly koi get as big as regular koi?
There are quite a few distinctions between butterfly koi and regular koi, but growth rate is not. Butterfly koi can grow as large as regular koi. One of the main differences between a butterfly koi and a regular koi is that the butterfly koi have long flowing fins and tail. The tail and fins continue to get longer as the butterfly koi gets older. With an extended tail length butterfly may appear larger than regular koi. Furthermore, the barbels (whiskers) around the mouths of butterfly koi are also much longer than those of regular koi.
Are butterfly koi even considered koi?
There has been much controversy about whether butterfly koi are even considered koi fish at all. Most of the large koi fish competitions excluded butterfly koi until the rules changed in 2015 and they were allowed to compete in an exclusive butterfly classification. Koi fish are believed to be descendants of the carp and are even considered a subspecies. Due to the lack of factual knowledge surrounding their ancestors, butterfly koi are widely accepted as koi fish.
What is the lifespan of a butterfly koi?
The average lifespan of a butterfly koi fish is anywhere between 25-30 years when cared for in proper conditions. This being, water quality, filtration, dietary requirements, oxygen, ammonia etc. that are directly related to a butterfly koi lifespan.
What fish can live with butterfly koi?
There are a variety of fish that are able to live with butterfly koi. These include koi, pond goldfish, barbels, barbs, catfish, golden orfe, tench, and pleco. These fish get along well together, and can live together in the same environment without issue.