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  1. #1
    Extreme Koi Member Rank = Sansai Craig's Avatar
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    Unidentified Parasite, maybe Epistylis

    Hi,and HELP Please,
    its been a few years since I have been on the site, but Im loosing fish big time and I need help.
    The problem looks like Epistylis, white patches on the scales, but when I scrape the koi the parasite I see is not what I see in the book or on line.
    What I am seeing is an oval shape, bigger at the bottom and smaller at the top and in side 5-6 small circles and it moves about slowly.

    I have treated twice with Patasium permanagante because when I lost my first fish I saw Trich, but looking at the magic Koi book the dieing koi look like they have Epistylis, so Tuesday I treated with Malgalite green and Formalin solution but toinght another ones gone (thats 12 over three weeks and a few more are looking bad)

    Any ideas? I have tried removing fish and treating with salt but the shock seems to do more harm than good.
    I treated with Malgalite Tuesday so I was surprised to still see parasites when I scraped toninght.

    Im guessing I need to wait until Tuesday to treat again, but I would like to know what Im looking at and if Im using the correct medicine.

    Any help would be appreciated, FYI, I live in Sweden so I doubt if anyone can pop round and help me.

    Thanks, Craig



  2. #2
    Junior Member Rank = Tosai twokoi's Avatar
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    Hi Craig, I have zero experience of Epistylis but just had a look at a book and according to that it seems you have already treated correctly with FMG. At the top of disease and medication forum there are some parasite videos and Epistylis is one of them perhaps you could check it out against what you're seeing.

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  4. #3
    Good luck, same as you I've lost twelve fish in recent weeks. Very stressful isn't it?

  5. #4
    Extreme Koi Member Rank = Sansai Craig's Avatar
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    Hi,
    Still loosing fish, I scraped 3 yesterday and found nothing, I was almost happy, but then tonight found 2 more dead.
    Scraped these 2 and found 3 diferant parasites!
    I have uploaded 3 short clips which show what Im seeing,
    One is very bad quality because I used the camera attached to my microscope, but the other two are me holding my i phone over the microscope and they look better (Ok it was hard holding it still for more than 3 seconds but the picture is clearer)

    I am treating again with FMG, only 5 days since the last treatment, but the fish are dieing so what have I got to loose?
    But What are these parasites?
    Craig
    Im hoping that I have uploaded the videos correctly!! we will see.
    Attached Images Attached Images

  6. #5
    Junior Member Rank = Fry NCF's Avatar
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    Hi Craig, sorry to hear about your Koi.

    Its hard to tell from the imagines but I would say that............ imagine 2 is skin fluke and imagine 3 is costia maybe!!

  7. #6
    Junior Member Rank = Tosai twokoi's Avatar
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    I am seeing still photos rather than video, but agree that 2 looks like a fluke. However if your just finding one fluke then it's unlikely to be the cause of several deaths. Kusuri Fluke M worked for mine (with a dose of PP 24 hours before) on flukes. FMG being more effective on other parasites such as costia, white spot etc rather than on flukes. But you have already treated with FMG and PP Could this be a bacterial problem? Have you checked the gills, are they nice and red?

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