57. Anisus vorticulus (Troschel, 1834)

Findings in Serbia.

Anisus vorticulus: Frank et al. (1990) .

Anisus (Disculifer) vorticulus: Karaman (2001); Karaman & Karaman (2007); Novaković (2014, 2016, pers. comm. 2018).

Common name. Lesser whirlpool ramshorn snail.

Morphology. Small-sized snail (up to 7 mm diameter). Brownish shell is flattened and slim, with blunt keel. For more details see Welter-Schultes (2012: 60, figure on the top of the page).

Distribution and ecology. Western Palearctic species preferring unpolluted small stagnant waters with plenty of vegetation (Glöer 2019). Scarce findings in Serbia, known only from Zasavica and Kovalski rit Wetlands and Plazović River.

Other remarks. Critically endangered in Germany, Austria and Czech Republic. Endangered in Italy and Switzerland. Vulnerable in Poland and England (from Welter-Schultes 2012). On the IUCN Red List it has been assessed as NT (Vavrova 2011 a). This snail is listed in the 92/43 EEC Directive (annexes II and IV; Directive 1992)