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Thread: Is this Hikui?

  1. #1
    Senior Member Rank = Mature Champion RS2OOO's Avatar
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    Is this Hikui?

    Think this is Hikui, does anyone think otherwise?

    It just looks like peeling skin at the moment and there are trails of skin hanging off the head. The koi is otherwise 100% healthy.

    It's a shame because despite being a mutt the high quality Beni on the head really stood out and made her quite attractive.

    Does it have to be treated or can it be left and are there any risks to not treating?

    If treating is required are there alternatives to what Duncan suggests on his website, i.e stuff that's easy to obtain and use?

    Thanks.

    Sent from my Pixel 2 using Tapatalk



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  3. #2
    Senior Member Rank = Mature Champion RS2OOO's Avatar
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    Posted the above pics from my phone in bright sunlight but just noticed you can't really see the problem even on the big screen.

    The beni on the head was completely unbroken red but where you can see the white patches that is layers of skin sloughing off and there's trails of it hanging off the fish.

    Also the beni / hi is much higher quality on the head than the pictures really show, beyond the head I appreciate its a low quality koi, and there isn't much beni left elsewhere for it to get attacked.

    So if I leave it will the suspected Hikui just stop by itself once all the beni has gone or will it continue peeling with the risk of ulcerations?

    Reading around, particularly on koikichi.com I can at least dispel some myths:

    Hikui only attacks Koi over 3 years old - False
    Hikui only occurs in ponds that don't use Eric filters - does anyone actually believe that? - False
    Hikui only affects Koi longer than 15" - False

    Voodoo (Laura) on here said in another thread it is more prevalent in ponds that are in full sun all day - My pond is in full sun, so that could be true.

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  5. #3
    I had this on a koi and pond is not in full sun so maybe more likely, I don’t know, but not exclusively.

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  7. #4
    Extreme Koi Member Rank = Hassai anne's Avatar
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    Slap that Factor 40 on RS it's sunburn...………………..
    You may laugh, but they can get sunburnt and your in full sun...………..who knows

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  9. #5
    Extreme Koi Member Rank = Grand Champion john1's Avatar
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    I have read somewhere that koi can get sunburn but whether it's your problem I dont know Rs,I would open up the partition from top pond to main to even out the temp.
    John

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  11. #6
    Senior Member Rank = Mature Champion RS2OOO's Avatar
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    Thanks John.

    I've fully opened the partition now so there's full flow between the 2.

    I can't categorically say this isn't sunburn, but this particular Koi doesn't hang around the surface unless its feeding time, he's usually about 1 to 2 feet down.

    In the flesh the symptoms are identical to Hikui, its just whether I need to treat it or whether there's any risks to just leaving it. Appreciate the Beni will be lost from the head but if I had a choice I'd rather it be this one than the more high quality gosanke.

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  13. #7
    Extreme Koi Member Rank = Hassai Scamp's Avatar
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    Hi RS looks like Hikui to me, one of my kohaku has it..I was told nothing you can do to treat. My pond is in full sun most of the day, but this Kohaku is the only one with it and not particularly a shallow, basking fish, so not convinced it’s sun related in my case..

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  15. #8
    Quote Originally Posted by anne View Post
    Slap that Factor 40 on RS it's sunburn.....
    You may laugh, but they can get sunburnt and your in full sun.....who knows
    Haha Is this Hikui?Is this Hikui?

    Sent from my SM-G960F using Tapatalk

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