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  1. #1
    Extreme Koi Member Rank = Gosai Ryda's Avatar
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    Putting fish out itís misery?

    My shubunkin has been laying upside down on the bottom for almost a week. From what I’ve observed, on the off chance (rare) he somehow makes it to the top of the pond he sinks back down without moving a muscle. He cannot seem to use his lower body at all. All he does is wearily move his front fins.

    He seems like a goner. I know there’s a type of oil or something I can buy than can be used as an overdose to kill the fish without stress. But I’ve long since forgotten it’s name. Thoughts?



  2. #2
    Clove oil is what you want, or you can buy koi sedate from NT labs.

  3. #3
    If all attempted medical treatments fail and euthanasia is the only choice, this is the correct way to euthanise a fish with information sourced from the American Veterinary Medical Association Guidelines on Euthanasia and the recommendations of Fish Veterinarian Richmond Loh of Australia.

    A ten times overdose of the anaesthetic phenoxyethanol is the recommended way to euthanase a fish. However, although clove oil (Eugenol) isn’t the best way to euthanase because it irritates the gills, it is immediately available from pharmacists. So, if a fish is suffering, you may consider it preferable to end its life quickly with clove oil even though it may experience some gill irritation for a few minutes rather than to allow it to continue to suffer until you can obtain some phenoxyethanol.

    Put the fish into a suitable sized container with a known amount of pond water and slowly, over the course of a few minutes, add the overdose amount of phenoxyethanol (or clove oil if it is not available) so that the koi slowly becomes sedated and then euthanised rather than panicked.

    Since the lethal dose of phenoxyethanol or any other anaesthetic, is ten times the usual dose for anaesthesia, you can easily calculate the lethal dose from the manufacturer’s instructions. If you use clove oil, 20 drops per litre is a lethal dose.

    Being an oily liquid, clove oil won’t dissolve in water so don’t add it directly to the container. Add the required number of drops for the amount of water in the bowl into a jar half full of pond water and give it a vigorous shake. Although clove oil won’t dissolve, this method will disperse it evenly in the water. Pour about one tenth of the mixture into the container, stir to mix it and cover in case the fish tries to jump out. Slowly add more as the koi becomes calm and gill movements slow.

    Depending on size, with either clove oil or an anaesthetic, the fish will be unconscious very quickly and be dead within half an hour of its gill movements ceasing. However, since some people are concerned that it might only be unconscious and recover later, you might want to leave it in the container overnight in a garage or shed where cats or foxes can’t get to it.

  4. Thanks jphamill, john1, hopeful, dbs, Frimley Koi keeper, RS2OOO, Rockfella Thanked / Liked this Post
  5. #4
    Before you consider euthanasia, have you considered 'swimbladder treatment'. Shubunkin and ornamental goldfish are renowned for swimbladder problems due to the fact they are bred unnaturally and their bodies are sometimes too small for their organs to grow properly and causes problems. Its an NT labs medication available from pet stores and online. I had a koi that was upside down and it worked for her, but its especially meant for your type of fish.
    Last edited by hopeful; 24-08-2021 at 05:12 PM.

  6. #5
    Extreme Koi Member Rank = Gosai Ryda's Avatar
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    Quote Originally Posted by hopeful View Post
    Before you consider euthanasia, have you considered 'swimbladder treatment'. Shubunkin and ornamental goldfish are renowned for swimbladder problems due to the fact they are bred unnaturally and their bodies are sometimes too small for their organs to grow properly and causes problems. Its an NT labs medication available from pet stores and online. I had a koi that was upside down and it worked for her, but its especially meant for your type of fish.
    Well, no I haven’t. I didn’t think this was bladder related due to the fish not moving it’s lower half at all. I gave him a gentle poke and shove minutes ago with a net end and he’s not reacting at all. He was swimming fine one day, then the next morning he was like this.

  7. #6
    Senior Member Rank = Grand Champion RS2OOO's Avatar
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    Further to Manky Sanke's post, Vetark Aqua-Sed is 2-phenoxyethanol based and contains instructions on how to euthanise.

    I have used it on Goldfish with swim bladders that could not be repaired and the process seemed a lot easier on the fish than other sedatives I've previously used (inc. Clove Oil).

    How deep is the pond?
    Do you have a video of the Shubunkin trying to swim?



  8. #7
    Junior Member Rank = Fry Rockfella's Avatar
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    Man try whatever you can before euthanizing the fish.
    Quote Originally Posted by Ryda View Post
    Well, no I haven’t. I didn’t think this was bladder related due to the fish not moving it’s lower half at all. I gave him a gentle poke and shove minutes ago with a net end and he’s not reacting at all. He was swimming fine one day, then the next morning he was like this.
    5 Danios in a 10g tank

 

 

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