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Tylomelania Id
July 11, 2011
9:14 am
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nuchal man
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I recently bought 3 Tylomelania sp. "Poso Ornage" I'm starting to think one may be a Tylomelania sp. "Poso Yellow" as it has some black striations through the snout and part of the foot and I've seen this in photos of the Tylomelania sp. "Poso Yellow". I'm no expert on these snails, and don't know of any key on differentiating them and would like some more opinions before I try to spawn these snails as I don't want to hybridize them.

Here are some Pics

[Image Can Not Be Found]
Tylomelania sp. "Poso Orange

[Image Can Not Be Found]
Tylomelania sp. "Poso Orange"

[Image Can Not Be Found]
The on I believe may be Tylomelania sp. "Poso Yellow"

[Image Can Not Be Found]
Better shot of the black striations on the one I think may be Tylomelania sp. "Poso Yellow"

Anyone know of a good key for these snails?

Thanks,

Sam Borstein

July 11, 2011
3:45 pm
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plesner
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QUOTE (nuchal man @ Jul 11 2011, 10:57 AM) < {POST_SNAPBACK}>
Anyone know of a good key for these snails?

I'm not aware of any definite work on these otherwise very interesting snails, but would like to read it if it exists.

I do own at least 4 'species' of Tylomelania, but even if I keep each of them in separate tanks, their offspring seems to be quite variable. This leads me to suspect that I may have fewer species than I think and that they may have been sorted according to colour before being exported. This makes sense as some of the more colorful forms are usually more expensive too.

As there have been several reported in cidents of interbreeding, your odd snail out may also be the result of a yellow and an orange Poso mating? The females do store sperm for a long time and produced a single young every now and then.

plesner

July 12, 2011
7:15 am
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Matt
Málaga, Spain
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I have one or two papers about these snails. If anyone wants please pm me your email address. Sam I'll forward them to you now.

P.S. have the photos disappeared?

Cake or death?
July 12, 2011
7:50 am
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nuchal man
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Thanks Matt,

I can still see the photos. It would help if I knew the variation these snails show, but not much is out there on them, especially the Poso species.

July 12, 2011
8:15 am
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Matt
Málaga, Spain
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Papers sent, hope they're useful. /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" />

Cake or death?
July 12, 2011
9:58 am
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plesner
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QUOTE (Matt @ Jul 12 2011, 09:58 AM) < {POST_SNAPBACK}>
Papers sent, hope they're useful. /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" />

I'd like to see them too, Matt.

plesner

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