Potamilus purpuratus

Potamilus purpuratus (Lamarck, 1819)
Bleufer

Bleufer collected from the Blue River, Oklahoma (male). Photo by staff (Georgia DNR – Wildlife Resources). Specimen courtesy of Georgia Museum of Natural History (GMNH10094).

Federal Protection: No US federal protection

State Protection: No Georgia state protection

Global Rank: G5

State Rank: S1

Element Locations Tracked in Biotics: Yes

SWAP 2015 Species of Greatest Conservation Need (SGCN): No

SWAP 2025 Species of Greatest Conservation Need (SGCN): Yes

2025 SGCN Priority Tier: Moderate Conservation Concern

Element Occurrences (EOs) in Georgia: 3

Habitat Summary for element in Georgia: Large to small rivers in slow-moving waters; combinations of mud, sand, gravel and cobble, also under rocks

SWAP 2025 Threat Matrix

Threat 1 Threat 2 Threat 3

General Threat Agriculture & aquaculture Residential & commercial development None

Specific Threat None None None

SWAP 2025 Conservation Actions:

Action 1: Assess SGCN mussels and mussel communities in the Mobile River system in GA

Action 2: Provide technical and financial assistance to farmers/landowners to protect stream buffers and wetlands, minimize runoff of sediment and pollutants, and protect habitat from livestock trampling

Action 3: Minimize impacts of urbanization on aquatic SGCN and habitats

Action 4: Protect SWAP priority watersheds through land acquisition and easements

Action 5: Improve aquatic connectivity in SWAP priority watersheds

Bleufer collected from the Blue River, Oklahoma (female). Photo by staff (Georgia DNR – Wildlife Resources). Specimen courtesy of Georgia Museum of Natural History (GMNH10094).

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	Threat 1	Threat 2	Threat 3
General Threat	Agriculture & aquaculture	Residential & commercial development	None
Specific Threat	None	None	None