Sadleriana schmidtii 

Scope: Global, Europe & Mediterranean
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Mollusca Gastropoda Littorinimorpha Hydrobiidae

Scientific Name: Sadleriana schmidtii (Menke, 1849)

Assessment Information [top]

Red List Category & Criteria: Least Concern (Regional assessment) ver 3.1
Year Published: 2010
Date Assessed: 2009-11-20
Assessor(s): Seddon, M.B. & Slapnik, R.
Reviewer(s): Fehér, Z., Sket, B., Tomovic, J., Vavrova, L. & George, S.
Currently this species is reported from a wide area and is present at suitable sites within this region. Although there are threats to groundwater as sources of water for local villages and towns, and from drought phases in the summer the species is considered Least Concern. However, there is some suggestion that (Bole & Velkovrh, 1986 and unpublished data of Sket, pers. comm, 2010), it may only be known from south-eastern Slovenia and adjacent Croatian area. Survey work is recommended for this species, as a suitable time of the year to establish the full range and threats to the species, as it is possible that if widespread loss or if it is restricted to s smaller part of this range then a higher threat category would be applicable.

This species has also been assessed at the regional level:
EU27 regional assessment: As the data for Slovenia are limited, this species has been assessed as Data Deficient at the level of the 27 member states of the European Union.

Geographic Range [top]

Range Description:Sadleriana schmidtii is recorded from Croatia, Bosnia & Herzegovina and Slovenia (Fauna Europea, 2006). It was first described from a spring at Susica, near Novo Mesto and is a subterranean form (Radoman 1985). According to Bole & Velkovrh (1986) and Radoman (1985) and some unpublished data (Sket pers. comm 2010), it may only be known from southeaster Slovenia and adjacent Croatian area.
Countries occurrence:
Croatia; Slovenia
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:There is no data on recent population trends for this species.
Current Population Trend:Unknown
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:This species inhabits freshwater springs.

Use and Trade [top]

Use and Trade: No trade in this species.

Threats [top]

Major Threat(s): Although there are threats to groundwater as sources of water for local villages and towns and from drought phases in the summer, the threats are localised.

Conservation Actions [top]

Conservation Actions: No conservation actions known for this species. This species is considered to be 'Rare' in the Slovenian List of Threatened Species (Bole 1988, Bole 1992; Sket & Velkovrh 2002).

Citation: Seddon, M.B. & Slapnik, R. 2010. Sadleriana schmidtii. The IUCN Red List of Threatened Species 2010: e.T155559A4798085. . Downloaded on 17 August 2018.
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