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  • Results 1 to 7 of 7

    Thread: Anchor worm or something else?

    1. #1
      koihobo is offline Junior Member
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      Anchor worm or something else?

      Hi all,

      Just did my annual post- winter clean and inspection on my pond that is shared between koi and goldfish. I found this guy waiting for me:
      Name:  IMG_20230429_212021.jpg
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      Any idea what it is for sure before I try to treat? Mid-summer last year I had a ich battle in the pond and then every thing has been good other than very bad water for a week due to deer and dogs knocking some planters into it and throwing the balance off. The cleaning pulled a large amount of biological matter out and sand/gravel due to spilled pots from my planting shelf. I was doing daily partial changes for the week until I could drain it over the weekend.

      No other fish are showing any visible symptoms and this guy is now in a quarantine tank.

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    2. #2
      Angie Jones is offline Senior Member
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      What are we looking at? Is it the black area on the scales? To me, that just looks like a shimmy which is a black "freckle" that sometimes appears on koi. An anchor worm looks like a short white hair hanging off the body, maybe with what appears to be a forked tail at the end which is actually the two egg sacs.

    3. #3
      koihobo is offline Junior Member
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      Quote Originally Posted by Angie Jones View Post
      What are we looking at? Is it the black area on the scales? To me, that just looks like a shimmy which is a black "freckle" that sometimes appears on koi. An anchor worm looks like a short white hair hanging off the body, maybe with what appears to be a forked tail at the end which is actually the two egg sacs.
      The black spot and this is a goldfish. It is a raised cluster and mass like of worm looking growth that the photo doesn't show in enough detail when loaded to the web. If I were trying to describe it, think a clump of black worms emerging from under the scales.

    4. #4
      kdh is offline Senior Member
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      Found this but have no idea as not familiar with goldfishs issues.

      https://www.thesprucepets.com/black-...isease-2920812

    5. #5
      *Ci*'s Avatar
      *Ci* is offline Administrator
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      And this:

      https://aquariumscience.org/index.ph...0-black-spots/

      It sounds like black spot parasites appear smaller and more peppery looking. If you have a microscope, try scraping the spot to see what’s up.

      Another interesting read:

      https://digitalcommons.liberty.edu/c...context=honors
      Last edited by *Ci*; 04-30-2023 at 08:58 AM.
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      Cheers,
      Ci


    6. #6
      koihobo is offline Junior Member
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      Thank you for the responses. Looks like I'm going to try treatment with Praziquantel and picked up some dimiln-x as a backup. Going to treat the whole system just in case it is flukes as some of those articles suggest.

    7. #7
      cindy's Avatar
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      I’ve never seen in koi. I’d hit that spot with a swab of peroxide.

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