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Montana Field Guide

Montana Field Guides

Wet-rock Physa - Physella zionis

Native Species

Global Rank: G1
State Rank: SNR

Agency Status


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General Description
We do not yet have descriptive information on this species.  Please try the buttons above to search for information from other sources.

Observations in Montana Natural Heritage Program Database
Number of Observations: 1

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



(Observations spanning multiple months or years are excluded from time charts)

Food Habits
Like most snails, these are herbivorous- scrapers of algae, detritus and diatoms from other vegetation of benthic substrates

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Citation for data on this website:
Wet-rock Physa — Physella zionis.  Montana Field Guide.  .  Retrieved on , from