IUCN threat status:

Least Concern (LC)

Distribution

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Range Description

This species is native to the drainage basins of the Black, Caspian and Aral Seas (Birnbaum 2006). It is a highly invasive mussel, and has spread throughout Europe, to southern Scandinavia and Britain, east into Eurasia and south to Turkey via shipping canals. Rather than a natural migration, this spread has been human-mediated and therefore this species classes as an alien in these regions (S. Nehring pers. comm cited in Birnbaum 2006). This species has also been discovered in Lake St. Clair in the Laurentian Great Lakes region (in 1988), and has since spread throughout North American freshwaters (Therriault et al. 2004).

Two subspecies are included: D. p. andrusovi (Andrusov 1897), which is restricted to the northern Caspian Sea; and D. p. aralensis (Andrusov 1897), occurring in waterbodies adjacent to the Aral Sea (Kantor et al. 2009).

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Source: IUCN

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