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  1. #1
    Senior Member AndrewNS's Avatar
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    Mar 2003
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    330

    Replacing Urchin

    I have found a new home for my Diadema Urchin. What should I get to replace her in the clean up crew?

    I have in a 90 gallon:
    small Ceriths (lots, too many to count)
    Nassarius, at least 20+
    Astrea, 5 that I can find
    Sally Lightfoot crab
    Emerald Crab
    Cleaner Shrimp
    Large Lawnmower Blennie
    Powder Brown Tang

    Everyone seems to play a part in cleaning up. The Lawnmower Blennie is the largest fish in the tank. The urchin would really clean the rocks well so that is my concern. I aslo have some small snails that have a cream colored shell with a brownish red pattern. They hide durring the day but come out in the hundreds at night. I do not want to have more clean up crew than the tank can provide food for.

    Do Margarita Snails stay on the rocks? What about the larger species of Ceriths?

  2. #2
    Senior Member Flame*Angel's Avatar
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    Oct 2003
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    3,332
    I'd go for trochus and/or turbo snails. They do a great job on the rocks in my tanks.
    Susan

  3. #3
    Moderator mike536's Avatar
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    Jun 2004
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    1,782
    I think I read a little while ago that urchin excreted something from themselves. Is this true or false? Someone also told me that they can be very hazordous to an aquarium?

    Thanks in advance,
    Mike
    Cheers,
    Mike Philpott

  4. #4
    Senior Member cman's Avatar
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    Mar 2004
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    376
    turbo snails are big . I wonder if they nock stuff over.

  5. #5
    Senior Member Flame*Angel's Avatar
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    Oct 2003
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    3,332
    Yup, they do indeed, just like an urchin. Not if you have your corals secured though. I epoxy all mine down.
    Susan

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