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Field Guide


Bear Lake Springsnail

Bear Lake Springsnail (Pyrgulopsis pilsbryana)

Pyrgulopsis pilsbryana

NatureServe conservation status

Global (G-rank): G3G4
State (S-rank): S2

Utah Wildlife Action Plan status

  • SGCN

External links


Species range

Bear Lake springsnail occurs throughout the intermountain west, primarily in Utah, Nevada, and Idaho.

Habitat

This species inhabits freshwater springheads, seeps, and spring-fed streams with water temperatures ranging between 8-18 °C. Within spring complexes, springsnails can be found attached to the surface of rock substrates or the roots and stems of aquatic vegetation.

Ecology

Springsnails are considered ecosystem indicators where their absence or presence can provide information about an ecosystem's overall health and condition.

Threats or limiting factors

Threats to springsnails include: water development and management, pollution, improper grazing practices, habitat shifting and alteration, recreation, and increased temperatures.

Taxonomy

Pyrgulopsis taxonomy is complicated and constantly changing. Additional taxonomic work is needed to correctly define and delineate this group.