Weird growth on rock

Discussion in 'ID Needed' started by Warr7207, 26 Jan 2009.

  1. Warr7207

    Warr7207

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    Any ideas what the inverted L-Shaped creature is ?

    [​IMG]

    [​IMG]
     
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  3. ml

    ml

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    War it's spounge live it, it looks beautfull in your tank
     
  4. Ross

    Ross

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    Yeah I would agree it looks like a spounge.
     
  5. Warr7207

    Warr7207 Thread Starter

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    Any idea what this fluffy stuff is ?

    [​IMG]
     
  6. Warr7207

    Warr7207 Thread Starter

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    Bump, any ideas ?
     
  7. ml

    ml

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    Sort of aglae
     
  8. irie ivan

    irie ivan MASA Contributor

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    Were they initially on the underside of the rock?
     
  9. Warr7207

    Warr7207 Thread Starter

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    Nope, it is a coral skeleton I got from Viper.
     
  10. Matt

    Matt MASA Contributor

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    Warr: Could be some type of hydroid?
     
  11. davecoetzee

    davecoetzee

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    It is definately fluffy stuff.

    Looks neat though
     
  12. jacquesb

    jacquesb Retired Moderator

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    Warr - I think that it is some type of worm. I will see if I can find it in my ID books....
    Give me a chance to look....
     
  13. christiaan

    christiaan

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    Im with matt - hydroids - heard they can be a PITA
     
  14. jacquesb

    jacquesb Retired Moderator

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    OK - probably the following:
    "SPIRORBID WORMS [​IMG]Little hard white spirals on your rock and glass causing confusion? When you look real close, do they have little feathers sticking out the end? Congrats, you got yourself some spirorbid worms. These little guys live in their calcareous shells and filter feed. They are harmless additions to your reef."


    From: Xtalreef
     
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  15. Warr7207

    Warr7207 Thread Starter

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    Thanks Jacques :)
     
  16. jacquesb

    jacquesb Retired Moderator

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    ;) GREAT pleasure Warr! Hope it was the correct ID!
     
  17. Mike

    Mike Retired Moderator

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    Warr, do they withdraw if you touch them? they don't look like they have a shell, just rather stick out from the rocks, i had these on some rocks, they never did anything, i'd love a positive ID for them.
     
  18. Warr7207

    Warr7207 Thread Starter

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    No withdrawal from touch.
     
  19. Mike

    Mike Retired Moderator

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    I would guess at some form of algae then, nearly all worms/nems etc withdraw from being poked.
     
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