Potamilus

Pink Heelsplitter Potamilus alatus. Common. Restricted to Tennessee River system in both riverine and impounded habitats. Lowest Conservation Concern.

Inflated Heelsplitter Potamilus inflatus. Uncommon. Restricted to Mobile Basin. Localized populations extant in Black Warrior, Tombigbee, and Alabama rivers. Found in soft substrata in slow to moderate current. Listed as threatened by the U.S. Fish and Wildlife Service. HIGH CONSERVATION CONCERN.

Pink Papershell Potamilus ohiensis. Fairly common. Restricted to Tennessee River system. Found primarily in soft substrata of impounded areas. Low Conservation Concern.

Bleufer Potamilus purpuratus. Fairly common. Restricted to Mobile Basin where widespread. Occurs both in pools and shoals. Often found under large rocks on shoals. Lowest Conservation Concern.


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