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Is this snail predatory or not?

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  1. 01-23-2011, 05:36 PM #1
    Seph
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    Default Is this snail predatory or not?

    Found this guy in my frag tank and was wondering if it is predatory or not? I have other snails in the frag tank (turbos and astrea) and don't want them in danger. The snail is about a 1/2" long. Thanks for any info.
    Snail003 - Is this snail predatory or not?

    Snail004 - Is this snail predatory or not?
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  2. 01-23-2011, 05:40 PM #2
    MizTanks
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    Nassarius snail. Great sand sifters and detritus eaters. Harmless.
    There's nothing like being a Reefer! www.upmmas.com
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  3. 01-23-2011, 06:08 PM #3
    Seph
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    Quote Originally Posted by MizTanks View Post
    Nassarius snail. Great sand sifters and detritus eaters. Harmless.
    Hey Jamie, I don't think it's a nassarius snail, cause the shell is more slender and the tube on the nassarius looks alot longer and not striped like this snail.
    http://www.peteducation.com/article....+2222&aid=3290
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  4. 01-23-2011, 06:28 PM #4
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    I wanna know about this snail too I have a couple of them very tiny ones. Are they safe for your coral?
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  5. 01-23-2011, 06:46 PM #5
    nate_newton
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    Quote Originally Posted by Heidi View Post
    I wanna know about this snail too I have a couple of them very tiny ones. Are they safe for your coral?
    Heidi I have one in my frag tank and it's never touched a coral.

    Quote Originally Posted by Seph View Post
    Hey Jamie, I don't think it's a nassarius snail, cause the shell is more slender and the tube on the nassarius looks alot longer and not striped like this snail.
    http://www.peteducation.com/article....+2222&aid=3290
    Do they submerge themselves in the sand?
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  6. 01-23-2011, 06:06 PM #6
    nate_newton
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    They look a little different from the Nassarius you'll buy in the store but they're good. I have one that was a LR hitchhiker.
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  7. 01-23-2011, 07:07 PM #7
    rosebud161616
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    I believe that is an Ilyanassa obsoleta. Close relative to the nassarius snail and often sold under the name "tonga nassarius." They are partially predatory. Here is an article on them:

    http://reefkeeping.com/issues/2006-11/mg/index.php
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  8. 01-23-2011, 07:23 PM #8
    nate_newton
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    It looks like Ilyanassa obsoleta has a growth size of 1" more like the Nassarius distortus. I think the one here, like mine, is more like Nassarius vibex, the smaller .5" Nassarius.
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  9. 01-23-2011, 07:29 PM #9
    rosebud161616
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    Quote Originally Posted by nate_newton View Post
    It looks like Ilyanassa obsoleta has a growth size of 1" more like the Nassarius distortus. I think the one here, like mine, is more like Nassarius vibex, the smaller .5" Nassarius.
    How long have you had it? They aren't born at 1" size...
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  10. 01-23-2011, 08:07 PM #10
    nate_newton
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    Quote Originally Posted by rosebud161616 View Post
    How long have you had it? They aren't born at 1" size...
    6 months
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