Brown Spots on Fish

Discussion in 'Reef Fishes' started by drm180, Mar 22, 2010.

  1. drm180

    drm180

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    I have a Smith's Damselfish and it is some small brown spots on both sides of it. It looks a lot like the diatoms on the glass. He hasn't acted any differently. The tank is new and he's been in there for about two weeks and I noticed the spots three or four days okay. The tank is cycled, ammonia nitrite and nitrate are all zero and pH is 8.2. Any ideas?
     
    drm180, Mar 22, 2010
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  2. drm180

    Bifferwine I am a girl

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    Usually common parasites on fish are black or white, not brown. Do you have a pic?
     
    Bifferwine, Mar 22, 2010
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  3. drm180

    kwsm

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    Only thing I can think of that would be brown might be chemical burn. If they're relatively big spots that could be a possibility. If that's a possibility you might want to do a large water change.
     
    kwsm, Mar 22, 2010
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  4. drm180

    drm180

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    It's really hard to get a good pic but here one. I'll try again if this doesn't help.

    [​IMG]
     
    drm180, Mar 22, 2010
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  5. drm180

    yote Ceritfied Mantis Hunter Moderator

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    Are you sure those are not part of the fishes color?
     
    yote, Mar 23, 2010
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  6. drm180

    drm180

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    I'm pretty sure they're not. They weren't there when I got it and it is getting more as time goes on. It also has a small white patch on its tail. I can't get a good picture though.
     
    drm180, Mar 25, 2010
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  7. drm180

    rwynn Big Daddy

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    Many fish change colour as they age...Domino Damsels for instance go from black to a more brownish tint.
     
    rwynn, Mar 25, 2010
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  8. drm180

    yote Ceritfied Mantis Hunter Moderator

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    +1 Rwynn
     
    yote, Mar 25, 2010
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