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  1. #1

    Worms/Leeches good or Bad

    Not sure what thèse worms are in my koi stream. https://youtu.be/iyMbCcfY_Ww



  2. #2
    Look like free fish feed to me cant quite identify them but probably some sort of midge or mosquito larvae possibly black fly?

  3. #3
    Hi,

    These are Blackfly larvae (Simuliidae). Perfect food and i get loads in filter. They will cause no harm whatsoever. They are also filter feeders, spinning web like structures collecting debris from water column.

    Ian.

  4. #4
    Yep, blackfly larvae, they love running water on waterfalls or similar, just scrape them off so that they are washed into the pond and your fish will enjoy the treat.

  5. Thanks DaveA Thanked / Liked this Post
  6. #5
    Thanks guys means a great deal, can sleep now and dog can drink from pond....cheers

 

 

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