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Lampsilis fasciola Rafinesque, 1820
Wavy-rayed Lampmussel

Wavyrayed Lampmussel collected from the Raisin River, Michigan (male). Photo by staff (Georgia DNR – Wildlife Resources). Specimen courtesy of Georgia Museum of Natural History (GMNH9758).
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Federal Protection: No US federal protection

State Protection: No Georgia state protection

Global Rank: G4

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 rivers to large creeks

SWAP 2025 Threat Matrix

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

SWAP 2025 Conservation Actions:

  • Action 1: Assess SGCN mussels and mussel communities in the Tennessee River system in GA
  • Action 2: Develop and implement a plan to reintroduce the species to the Tennessee drainage
  • Action 3: 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 4: Minimize impacts of urbanization on aquatic SGCN and habitats
  • Action 5: Assess aquatic connectivity in SWAP priority watersheds
  • Action 6: Improve aquatic connectivity in SWAP priority watersheds
Wavyrayed Lampmussel collected from the Powell River, Tennessee (female). Photo by staff (Georgia DNR – Wildlife Resources). Specimen courtesy of Georgia Museum of Natural History (GMNH8843).
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