Kujaku Koi variety and selection [KOI GUIDE]
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- Опубліковано 10 лют 2025
- In detail about the kujaku variety.
We use two Kujaku of the Maruhiro Koi Farm to explain you the aspects you have to look for when selecting a Kujaku for your own pond.
Kujaku are koi with a white base, with orange markings on it. Typical for Kujaku is that is has the darker grey to black scales. It looks like a net pattern on the back of the Koi, which is really making this Koi a nicer and more special variety. These type of scales can also be found on the Matsuba variety. Sometimes these orange markings can be almost near red. This is referred to as “Red Kujaku” as well.
The pattern. Let’s just start with the pattern. Basically you can take the basics of the kohaku pattern in mind. Which includes no orange over the eyes, the orange should be In between the eyes. The tail area should be white. The colours stay above the lateral line of the koi. The intensity of the orange colour is the same over the entire fish. There are no gaps in the orange section. Preferable there is no orange in the pectoral fins, which makes the fins look nicely white. A balanced pattern is also preferable, that should be a multiple setup pattern for example. But also a pattern with many small steps can look nice and balanced on a Kujaku.
The head. Kujaku preferable have a super white head. What happens a lot on Kujaku is that the head looks darker: in the middle of the head some black or grey can be visible. And Also on the nose can develop some black. As well as the eyebrows of the Kujaku. Well it doesn’t have eyebrows, but you can see the black above the eyes.
The body section. Preferable a stronger tail section. Not only the width of the tail but you also want to have a high tail! Height of the tail is actually quite important. You also want a long head, which is a good indicator for growth. Next to a good jitai, so a v-shaped body posture on the shoulders is indicating for potential in growth and mass development. Now honestly you should know that Kujaku usually won’t become the largest Koi of your collection, but of course they can become quite large as well. I’ve seen Kujaku over 80 cm in length.
You want to have light scales. What is important, is that the scales are light coloured. Then I am referring to the grey or black scales on the back of Kujaku. If the Kujaku is only 1 or 2 years old, it should be light coloured for sure. Don’t worry that it won’t become darker, that will just naturally happen. Usually goes quicker than you actually imagined, you will be surprised. And the harder water is, the quicker this darker colours tend to develop. In Europa and in America we often have harder water than in Japan, which will speed up the development of the sumi or grey scales.
Consider to subscribe if you enjoyed this video. And stay up to date of new video’s coming up! Thank you for watching and see you in the next episode!
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![Selecting Koi at Shinoda | How baby Koi are selected [KOI SELECTION JAPAN]](http://i.ytimg.com/vi/2tqSsHmAxR8/mqdefault.jpg)
![Selecting Showa Koi 10 months old [Best out of 25]](http://i.ytimg.com/vi/mApwFMZdJIk/mqdefault.jpg)
Make the kujaku video buddy... I love these kind of videos verry informative ... and yes a few videos on what to look for in a koi when only a few months old would be good as I think a lot of peeps by as small as they can so get the full enjoyment of watching them grow
That is nice to hear, like to hear that the videos are informative to you! I will do a tosai Kujaku selection video later on. Thanks for your comment.
Well explained sir i really love the way you explain the details of each variety thank you.
Thank you for this compliment! Glad you liked it!
Love your clear explanation. Plz do a video about the selection of Kujaku!
Hi there, thank you and happy to hear you are enjoying these video's. Do you mean like the selection process of Kujaku baby Koi?
Thanks so much for explaining what to look for in terms where someone like myself who is new to koi can understand!! 🥰👍
Great, i am happy to read your comment! Happy to help you!
@@Aboutkoi and Im happy for your videos! Keep them up my friend, they're great!!!!
Thank you
thank you very much for doing my requested koi variety
Glad you like it 👍. Of course you can bring in any variety or something else related to Koi! I'll try and see if I can do something with it.
The usual high standard video, very informative. A Kujaku selection video would be good. Also Hariwake would be very interesting. Stay safe and well
Hi there, thanks for your reply. Appreciate it. Hariwake is on my list for you, I have to find some tosai Hariwake that I can use. It will surely come, but might take some extra time. Stay safe!
Wow well explained sir, i never have a Kujaku before, but later on this video maybe help me to find a really nice Kujaku :), Stay safe and well.
Glad I could help! Hope you will be able to find a nice Kujaku. Thanks for your comment. Stay safe!
Nice.. hoping for utsurmono koi video in the future!
Hi there, which Utsurimono would you like to see?
Shiro utsuri koi.. yay
Maybe I can make you even more happy. Because there is a video about Shiro Utsuri already online 😀. See: ua-cam.com/video/KuV_PIcEAfg/v-deo.html . I will do more Utsurimono varieties later, like Ki Utsurimono and Hi Utsurimono
good video as usual.... please do the video on how you select the tosai
Hi there, thanks for your comment. I will create the selection video of Kujaku later on!
Whilst not ideal specimens of 'type', they are still beautiful fish :) Personally I favor a Tancho Kujaku .
Your content is appreciated, so please do the Tosai video :)
I will surely create the video on Tosai selection. Thanks for your comment! Tancho Kujaku is great indeed. I've seen a few nice Tancho Kujaku at Kaneko a while ago. You probably mean a Kujaku like this one: ua-cam.com/video/I8kfLq6erJk/v-deo.html
@@Aboutkoi OMG!!! They are gorgeous!!!
Ya, definitely some serious nice Kujaku!
Can you do a filter system setup. What’s the basic need and things to consider like Contact time, best filter media and bakki shower benefits? Would be great if you can upload a japanese breeder filter system and how does japanese breeder control there nitrates?
Hi there. That is a good idea. I will do a video later on filtration setup, filtration media, benefits of different systems and so on. Stay tuned 😃
AboutKoi looking forward to it. Because for me. A hobbyists before buying a koi fish would need to consider first their filter system. Also I’m really curious how does a large koi pond let’s say 50T or above control nitrates? water change is the one way but in large koi pond it would likely be costly?
Most hobbyists I know with 40T up to 100T+ ponds do the normal water changes of 5-15% weekly. It is indeed a bit more costly, but usually these people are already longer in the hobby, do know what they are doing, and do also know it is important to perform water changes. But yes, a video will follow! Probably of multiple setups as well 👍
AboutKoi thank you. Hope to see it soon 🙏🏻🙏🏻🙏🏻
Can you do a walk through for Japanese breeder's pond filter system. How they design and filter materials to keep good quality water
Yes we need this video
I can surely do something like that later on. Combined with a video about filtration and which aspects to take into account.
Fair video sir. .but there are other variety to discuss instead of kojaku. .try to teach us how to select tosai asagi and shusui. I already subscribed in your channel.
Hi there, thank you. Sure more video's will follow on selection of other tosai. Stay tuned 😃
Thanks a lof sir. .your vlog will help us, a rookie koi hobbyist.
That is nice to hear, thank you for the compliment!
Kan jij mij vertellen waarom 1/4 van mijn koi niet meer wilt eten en de rest VREET zelfs als n malle en mijn water waardes zijn perfect ?!
Could be many different reasons. Did you check for parasites? Happens often that a few Koi start with behaviour to slow down a bit, while others are still swimming and eating actively. Is the pH value fine? Oxygen ok (means probably only the smaller ones are eating actively)? I would suggest to contact someone with expertise to help you out if this remains for a couple of days or you can see it is getting worse.
What is difference between kujaku and beni ginga?
Beni Ginga is a darker coloured variety. It has the metallic from the Kujaku. But the darker deep black from Hajiro or Showa. Also the Matsuba scales are deeply black.
And the most important is the head must be clean,good hikari and deep beni,and matsuba must be perfectly scale,pattern only subjective for me