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Freshwater Mussels Pacific Northwest - The Xerces Society

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30<br />

A.<br />

B.<br />

difficult to validate the identity of<br />

these records 121 .<br />

Life History and Habitat<br />

A. beringiana inhabits lakes and<br />

rivers in sand and gravel substrates.<br />

It is often very abundant, providing<br />

a staple food source for otter<br />

and muskrat. Host fish include<br />

sockeye salmon, Chinook salmon,<br />

and threespine stickleback 19 .<br />

Conservation<br />

A. beringiana may be the most<br />

stable of western Anodonta because<br />

of its northern distribution,<br />

Internal and external valve of A. beringiana.<br />

Range of Anodonta<br />

beringiana in western<br />

North America<br />

with little human disturbance in its range. More research is needed into the<br />

taxonomy, historical and current distribution, life history and threats to this<br />

species.<br />

<strong>Freshwater</strong> <strong>Mussels</strong> of the <strong>Pacific</strong> <strong>Northwest</strong>

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