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Species at Risk in the Prairie and Northern Region
Swift Fox; Photo: L. Carbyn
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Banff Springs Snail
© Parks Canada, Photo: Degner, M. & L.

Banff Springs Snail

Scientific name:
Physella johnsoni

Status:
Endangered in Schedule 1 of the Species at Risk Act

As the name suggests, Banff Springs Snails live in a handful of hot springs in Banff National Park. They are small and globe-shaped with heavy, uneven growth lines. They are usually dark-reddish and are sometimes faintly striped.

Length: 5.5-7.5 mm (1/4-3/4 inches); Width: 4-5.5 mm (1/8-1/4 inches)

Range map

Banff Springs Snail range map - distribution in small area around Banff, Alberta

Did you know?

  • Because there are so few of these snails in the world, any change to their living conditions can have a devastating effect on their survival.
  • What makes these snails unique is their ability to thrive in a harsh environment of high temperatures and low oxygen levels.

More information

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The Green LaneTM, Environment Canada's World Wide Web site
Last updated: 2006-11-28
Last reviewed: 2006-11-23
URL of this page: http://www.pnr-rpn.ec.gc.ca /nature/endspecies/sar/db08s23.en.html