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  • Results 1 to 19 of 19

    Thread: Are they eating each other?

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    1. #1
      brianm1962 is offline Junior Member
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      Nov 2012
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      Are they eating each other?

      I have my koi inside for the winter - mink problems.
      I was away for 5 days and returned to 3 dead fish. Upon further investigation, I discovered that a number of the fish look like they have been eaten from the outside-in. I had my water tested and everything was fine. I took a fish to the store, and the only explanation they have is that they are eating each other.

      I have one large fish - 14" or so, and a number of smaller ones (3"-8"). The large fish is fine. I have created a temporary divider to keep the large guy away.

      I feed them daily for about 3-4 days, then I am often gone for 5-6 days.
      Water is changed every 2-3 weeks.

      Do you think the big guy was eating the others?
      Is there anything more I can do?
      Will the ones that still have chunks taken from them recover?

      Thank you for any advice.
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