What is this thing?

Discussion in 'Identification' started by LymanBay, Dec 7, 2015.

  1. LymanBay

    LymanBay

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    These things are all over my tank. They used to be on the glass at the back of the tank, but now, I'm noticing them on my live rock. I've included a picture. They are very tiny. The pic is a super zoomed in shot of one on my live rock.

    Can anyone tell me:

    1. What is it?
    2. Where do they come from?


    Thank you.
     

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    LymanBay, Dec 7, 2015
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  2. LymanBay

    fastrd400 It wasn't me! Moderator

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    Looks like limpets. They are harmless and actually eat algae. They probably came in on your live rock.
     
    fastrd400, Dec 8, 2015
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  3. LymanBay

    salt_for_brains Alabama Reefer VIP Member

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    +1 Nice hitchhikers.
     
    salt_for_brains, Dec 9, 2015
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