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Thread: pyramid snails?

  1. #1
    Corallite Member
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    pyramid snails?

    We have been noticing clusters of small (smaller than grain of rice) white snails on sides of tank at night. Because we have ceriths, I assumed these were baby ceriths. They really haven't grown in size, and have stayed white. Luckily, we don't have any clams.
    I do have a large plate coral that has been very healthy for over a year. Lately, I have noticed some white skeleton showing on the underneath. These small snails are also near the plate coral. Do you think they are harmful for the plate?
    Sorry, I won't be able to take pics of them--too small! But I have seen photos of them and very sure that's what they are.
    Also--should I attempt to remove them? (there's so many!)
    Thanks!

  2. #2
    weatherson
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    Gleaned from the internet...

    Natural predators of Pyramid snails include several species of wrasse within the genus of Halichoeres and Pseudocheilinus. A few of the more popular species that are reportedly very efficient at controlling these snails are; Six and Eight Lined Wrasse (P. hexataenia and P. octotaenia), and the Green Wrasse (H. chloropterus).

  3. #3
    Branching Member
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    Quote Originally Posted by purplexfiles View Post
    ...But I have seen photos of them and very sure that's what they are...
    Can you upload a pic that you've seen or a link to one?

  4. #4
    CVR Vice President Saulsa's Avatar
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    if you know what they are, have you tried anything to remove them yet?

    is it getting worse?

  5. #5
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    Link for pyramid snails

    http://www.xtalworld.com/Aquarium/hitchfaq.htm


    This is the link I used to identify the snails. If you scroll down, it displays various "hitchhikers" and says whether they are good or bad.
    I do have a wrasse in the tank, but I don't think the LFS gave me the correct name for it.

    I guess I'm going to try to pick them off the glass. At any rate, if I want to get a clam I won't want them around. I guess they can also kill other snails--maybe that explains the "shell litter" on the sand lately. The number of little white snails doesn't seem to be increasing, though.

    I just wonder whether or not they prey on plate corals...

  6. #6
    Corallite Member mandarinfish's Avatar
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    I believe pyramid snails are the good ones, and the little "grains of rice" (the clam predators) are the pyramidellids. I am always wary of hitchhikers, too, though.

    Tank(s): 75 gal mixed reef, 100 gal fancy goldfish tank, patio pond and various others
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