SKU: 94812471028

Utsurimono Japanese Koi Carp Cyprinus Carpio

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Description

Utsurimono Japanese Koi Carp Cyprinus CarpioUtsurimono Japanese Koi Carp Cyprinus Carpio Shiro Utsuri (SHEE roh OOT soo ree) koi have a sumi (black) body with a shiro (white) pattern over the top. The pattern of a Shiro Utsuri koi is often described as a checkerboard with its alternating sections of sumi and shiro. The variety is quite a simple variety compared to, say, a Goshiki but its simplicity is often one of the main attractions. The sumi and shiro provide a beautiful and dramatic

Utsurimono Japanese Koi Carp Cyprinus Carpio

Shiro Utsuri (SHEE-roh OOT-soo-ree) koi have a sumi (black) body with a shiro (white) pattern over the top. The pattern of a Shiro Utsuri koi is often described as a checkerboard with its alternating sections of sumi and shiro. The variety is quite a simple variety compared to, say, a Goshiki but its simplicity is often one of the main attractions. The sumi and shiro provide a beautiful and dramatic contrast that always stands out and is often visible from quite a distance!

The first Shiro Utsuri koi were bred in the late 1920s, but it is unknown exactly how they were bred and what they were bred from. The most common theory involves the Shiro Bekko koi variety which is a white koi with black patterns as this is the reverse of a Shiro Utsuri koi, which is a black koi with white patterns. However, this is just a theory, and the truth is, and likely always will be, completely unknown! All we do know is that the Shiro Utsuri was first shown to the koi keeping hobby in 1931 and very quickly became a very popular variety with a massively high demand for the variety.

Due to this popularity of the Shiro Utsuri koi and its relative easiness to breed in comparison to the Ki Utsuri and the Hi Utsuri, many breeders have invested a lot of time and effort into refining and improving the Shiro Utsuri variety. Ever since the first generations of Shiro Utsuri koi, breeders have been working to develop and perfect the Shiro Utsuri by improving the quality of the pattern and the colours. Unlike the Hi Utsuri and the Ki Utsuri, a Shiro Utsuri koi can be bred from two Shiro Utsuri parents (breeding two Hi Utsuri or two Ki Utsuri koi results in very poor quality, muddy-looking koi without any of the beautiful Utsuri patterns). Therefore, selective breeding can be used to improve the general quality of this variety. This process involves taking the two nicest parent koi and breeding them to create fry who are generally of equal quality to the parent koi. Some of these fry will be of worse quality than the parents and others will be of higher quality than the parents and these higher quality koi are then chosen to be bred together to create the next generation. This results in each generation being generally higher quality than the previous, thus slowly improving the variety.

These improvements have meant that Shiro Utsuri have become a very competitive koi, often receiving titles and awards at koi shows ever since 1991 when the variety was first entered. In Japan, koi shows are often held indoors, and this means that Shiro Utsuri koi do particularly well because the artificial lighting really makes the contrast of the sumi and shiro colours stand out. However, the Shiro Utsuri were never considered for the biggest prizes or the championship titles because they had one major disadvantage compared to the Gosanke koi and that was size. The Shiro Utsuri is quite a small variety compared to Gosanke and Chagoi koi, with the koi often reaching no more than 90cm in length.

By selectively breeding for size as well as quality, the Omosako koi farm was able to produce the first Shiro Utsuri over 100cm. In fact, this koi then went on to win the championship title at the All-Japan Koi Show in 2013 and became the first Champion Shiro Utsuri. Since then, Omosako have had a very strong presence at koi shows with Shiro Utsuri and are considered to be the best breeder of Shiro Utsuri koi in the world.
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SKU: 94812471028

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Sarah A
Belleville, US
★★★★★ 5
oh wow
Format: Kindle
I just knew there was something about Cooper! I’m wondering if he’s about to be included but damn I’m glad he’s at least not a rapist and creepy guy, he just got called on assignment and had to go! This should be interesting! She’s gonna run and then what’s his face is gonna grab her. I’m worried! Wow that was a great book and cliffhanger! Loving this!
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Reviewed in the United States on December 27, 2025
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Ashley Morgan
Dallas, US
★★★★★ 5
ABSOLUTELY A MUST for Omegaverse Girls!!!
I ABSOLUTELY LOVE Jillian West and her books!!! I’m so happy I already bought book two and now I have to buy the others for the Assurance Security series!! Not gonna lie Val kind of annoyed me at the beginning but she grew on me!! Her men are chef’s kisses!!! Holt annoys me some but I can let it slide. I already bought part two so I’m going to be reading that in between work phone calls!!!! DON’T TELL MY BOSS 😂😂😂😂
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Reviewed in the United States on September 30, 2025
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Carmen Alicea
New York, US
★★★★★ 4
Baby bumps and bodyguards
Format: Kindle
Dark, emotional, and unexpectedly tender, Not Ready is an omegaverse romance that delivers found family feels, fierce protectiveness, and a very pregnant heroine who refuses to break. Vale’s on the run from a stalker, but lands in the arms of three private security alphas, cue the swoony tension, fake marriage twist, and slow-burn heat. It’s a little gritty, a little soft, and a whole lot addictive. If you love protective alphas, high stakes, and heroines with quiet strength, this one’s a must-read.
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Reviewed in the United States on December 18, 2025
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Shianne Whipple
Draper, US
★★★★★ 5
Strong Omegaverse Comfort and a Attention Grabbing Plot
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Jillian West never misses when it comes to Omegaverse, and Not Ready is no exception. This story was the perfect blend of cozy comfort and emotional depth while still delivering a strong plot. Vale is such a powerful heroine, she is strong, capable, and determined but I love that she still allows her pack to love and take care of her. It’s that balance of independence and vulnerability that makes her so relatable. The relationship dynamics were amazing: Bishop is steadfast and completely head over heels, Mercy is skeptical but protective in his own way, and Holt is the hesitant one whose slow fall is so satisfying to watch unfold. The romance hits that sweet spot between insta-love and cautious build, keeping me hooked the entire way through. And that ending. Oh my god, the cliffhanger! I need the next book in this duet immediately.
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Reviewed in the United States on August 28, 2025
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NLB
San Leandro, US
★★★★★ 5
Interesting
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So I will say I enjoyed the story, for sure had its moments where it dragged but it was a great story. I really liked that omegas picked their alphas/make the pack. Normally the Alphas make it and the omega fits in with them which is great but I enjoyed this new version where all the power basically went to the omega. It was a nice change of pace. I can admit some of the weird bedroom stuff with her being pregnant was odd, it’s really not hard to do stuff when pregnant (I know I’ve had two and it’s normal and even encouraged at the end especially if you want the baby out). But I like the story as a whole and will read the second, I do hope the next one isn’t dragged bc it stopped being action or tense after she met her alphas and I don’t think it was brought up or properly done when they tried to do it. More sweet after she left.
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Reviewed in the United States on November 11, 2024

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