49. Aplexa hypnorum (Linnaeus, 1758)

Findings in Serbia.

Aplexa hypnorum: Tomić (1959); Gojšina (2021 pers. comm.).

Common name. Moss bladder snail.

Morphology. Medium–sized snail (shell up to 15 mm /height). Sinistral, shiny, elongated, conical shell with shallow suture. Mantle is without finger-like extensions, animal is black. For more details see Welter-Schultes (2012: 57, figures in the middle of the page).

Distribution and ecology. Holarctic species, in Serbia found in northern lowland part of the country. Prefers small stagnant waters, including temporary habitats (Welter-Schultes 2012).

Other remarks. The snail can be found on vegetation, outside of water. It has the ability to move quickly, and it is considered as the fastest freshwater snail in that regard (Welter-Schultes 2012). On the IUCN Red List it has been assessed as LC (Seddon & Killeen 2011a).