id please

Discussion in 'Beginner Discussions' started by johanpm, 30 Dec 2009.

  1. johanpm

    johanpm

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    hi guys,

    i found a bout 7 of these strange, rugby ball shaped, white things in my tank. they are about 5mm long. is it some kind of egg? only have snails, shrimp and clowns in the tank.

    25014b3aebbab7afb.jpg
     
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  3. Tony

    Tony

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    They look like calcerous sponges. Harmless
     
  4. OP
    johanpm

    johanpm

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    spot on. thx tony!
     
  5. jacquesb

    jacquesb Retired Moderator

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    Hi Johan - the correct name for these sponges are hairy ball sponges....
     
  6. Drk

    Drk

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    what do they do and do they get bigger also have some.
     

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