Anyone know what this is on my Chromis?

Discussion in 'Fish and Invertebrates' started by HeatO, Aug 30, 2017.

  1. HeatO

    HeatO Supporting Member

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    About 2 weeks ago I noticed a big white bump on the mouth of one of my Chromis fish, it is slowly getting bigger. I have 4 other Chromis that are completely fine, no signs of this on them. I have tried to do research to find out what it might be - thought maybe a parasite but it looks like it is under the skin. I did a freshwater dip to see if it would fall off if it was a parasite, but this did not work. He is eating and swimming around (but kind of stays in the corner a lot swimming at a 45 degree angle). I'm worried about what this is. Has anyone seen anything like it?
     

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  2. Coral reefer

    Coral reefer President

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    I would suspect bacterial infection.
     
  3. Kremis

    Kremis Supporting Member

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    could be puss underneath the skin
     
  4. DEATH BY SNU SNU

    DEATH BY SNU SNU Guest

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  5. Bruce Spiegelman

    Bruce Spiegelman BOD

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    It's a sign he's asking for a QT tank.
     
  6. HeatO

    HeatO Supporting Member

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    Thanks everyone, this was helpful. Moving to a QT tank and treating for bacterial infection.
     

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