Lampsilis powellii
Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Lampsilis_powellii
Overview
A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.
Lampsilis powellii faces severe population declines primarily due to dam construction and river channelization that have altered natural flow regimes and sediment transport patterns essential for mussel reproduction. Water quality degradation from agricultural runoff and urban development has reduced oxygen levels and increased sedimentation in critical habitat areas. The species' dependence on specific fish hosts for larval development makes it particularly vulnerable to declining fish populations caused by habitat fragmentation and overfishing.
Habitat
Lampsilis powellii inhabits medium to large rivers with stable gravel and sand substrates, typically in areas with moderate to swift currents. The species requires clean, well-oxygenated water and depends on specific fish species as hosts for its larval stage, making it highly sensitive to changes in both water quality and fish community composition.
Other threatened species in UNIONIDAE
Threatened in United States
Frequently asked questions
Why is Lampsilis powellii classified as Endangered?
Where does Lampsilis powellii live?
What are the main threats to Lampsilis powellii?
Get weekly conservation intelligence
One short digest a week of the most striking species and country data we ship, plus breaking conservation news paired with our database where it matters.
Free, no spam. One-click unsubscribe in every email.