Help in identyfing strange snail - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 06-20-2005, 06:07 AM Thread Starter
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Help in identyfing strange snail

Long time reader, first time poster.

I got some strange snails in a Lillaeopsis plant from Tropica. Before the chlorine treatment, I removed them to a tiny tank to better observe them.
I have had no luck with species identification, googling like crazy, any help in identifying them will be greatly appreciated.

They must, like ramshorns, belong in the Planorbidae family, as their shell is a flat spiral. But unlike all the Planorbidae pictures I have found, they do not keep their shell perpendicular to the substrate, but parallel to it. They are fairly small, about 2.5 mm diameter, with transparent milky shells, and a very dark blue-gray mantle, and the shell's spiral does not decay as much as in a ramshorn's.

I have included a drawing in an effort to make this clearer. I am sorry I do not own a digital camera.

Thank you in advance.



And in completly unrelated news: After a lightbulb change and 8 hours DIY CO2, my plants have started pearling. I am so very happy.
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post #2 of 6 (permalink) Old 06-20-2005, 08:53 AM
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It isn't possible to ID them much further than that. They are from family Planorbidae and stay small, about 5 millimetres usually. Might be Gyraulus albus, might not be, because there are several species that look alike.

Here's more about indentifying snails:
Various freshwater snails

And this is my Gyraulus sp. (most likely albus):

- Satu

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post #3 of 6 (permalink) Old 06-20-2005, 11:29 AM
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Quote:
Originally Posted by Salamastre
They are fairly small, about 2.5 mm diameter, with transparent milky shells, and a very dark blue-gray mantle, and the shell's spiral does not decay as much as in a ramshorn's.

I have the same snail's, but i thought that they were just baby ramshorn's?


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post #4 of 6 (permalink) Old 06-20-2005, 02:11 PM Thread Starter
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Thanks a lot

Thanks a lot. That is how they look.
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post #5 of 6 (permalink) Old 06-20-2005, 07:14 PM
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I had these tiny "ramshorn" snails in my 10 gal tank arrive with plants, but they are now extinct after addition of three mystery snails. I too thought in the beginning that they were baby ramshorns, but they didn't grow a bit after a while, so I figured they must have been something else.
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post #6 of 6 (permalink) Old 06-20-2005, 08:48 PM
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Another term for that shape of aquatic snail is Planorbid snail.
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