Potamilus amphichaenus
Overview
A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.
Potamilus amphichaenus faces severe population declines primarily due to dam construction and river channelization that fragment populations and alter flow regimes essential for reproduction. Water pollution from agricultural runoff and urban development degrades water quality, while sedimentation from land-use changes smothers mussel beds. The species' dependence on specific fish hosts for larval development makes it particularly vulnerable to declining fish populations in modified river systems.
Habitat
This freshwater mussel inhabits medium to large rivers with stable gravel and sand substrates, typically in areas with moderate to swift currents. It requires clean, well-oxygenated water and depends on specific fish species as hosts for its parasitic larval stage.
Other threatened species in UNIONIDAE
Threatened in United States
Frequently asked questions
Why is Potamilus amphichaenus classified as Endangered?
Where does Potamilus amphichaenus live?
What are the main threats to Potamilus amphichaenus?
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