Photo of the day (40): Bithynia leachii

Bithynia leachii is a widespread freshwater snail in Europe and it is a least concern species. This snail can live in natural and unpolluted wetlands only. In some areas, for example in the Czech Republic, it is critically endangered, because it inhabits a very limited area there.

There is seen on this frontal view, that the shell has very convex whorls and a very deep suture. This feature distinguish it from other Bithynia species.

Bithynia leachiiThe snail on the photo has the width of the shell 4.5 mm and the height of the shell is 5.5 mm. The snail of such size is adult already.

Right side view of the same snail:

Bithynia leachiiReferences

Beran L. & Horsák M. (2009) “Distribution of Bithynia leachii (Sheppard, 1823) and Bithynia troschelii (Paasch, 1842) (Gastropoda: Bithyniidae) in the Czech Republic“. Malacologica Bohemoslovaca 8: 19-23.

Vavrová L., Cianfanelli S., Prie V., Georgiev D. & Ghamizi M. (2010). “Bithynia leachii“. The IUCN Red List of Threatened Species. Version 2014.3. <www.iucnredlist.org>. Downloaded on 18 January 2015.

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