Snail - Printable Version

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Snail - conchylinet - 08-23-2011

I found this shell beached but it seems to be a land snail. It is from mauritius and measures about 2cm.
Anybody knows it or know its family ?

[Image: 7111.JPG]

Thank you

Re: Snail - wolfi - 08-24-2011

Hi Pierre,
yes, it´s a terrestrial snail, obviously familiy Streptaxidae. Should be genus Gonaxis, subgenus Macrogonaxis. Might be Gonaxis quadrilateralis (Preston, 1910), a carnivor species introduced from Africa (Kenya) to several islands in the indo-pacific area in the attempt to control the population increase of Achatina fulica, just like Euglandina rosea. The results were disastrous, concerning the effects on the local malacofauna.
Kind regards: wolf

Re: Snail - conchylinet - 08-25-2011

Hi, thank you a lot for these interesting information and the identification of this invasive mollusc. Furthermore, the introduction did not seem to work, Mauritius is still packed with A. fulica...

Re: Snail - wolfi - 08-25-2011

true enough...... . Unfortunately, Gonaxis and Euglandina prefer to feed on small local (and sometimes endemic) species. What a disastrous mistake done by man...... .
Kind regards: wolf

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