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Leaunio vanuxemensis (Lea, 1838)
Mountain Creekshell

Mountain Creekshell collected from South Chestuee Creek, Tennessee (male; 31 mm). Photo by staff (Georgia DNR – Wildlife Resources). Specimen courtesy of Georgia Museum of Natural History (GMNH8785).
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Federal Protection: No US federal protection

State Protection: No Georgia state protection

Global Rank: G4

State Rank: S2

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: High Conservation Concern

Element Occurrences (EOs) in Georgia: 17

Habitat Summary for element in Georgia: Large to medium sized TN Basin tributaries

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: 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: Minimize impacts of urbanization on aquatic SGCN and habitats
  • Action 5: Improve aquatic connectivity in SWAP priority watersheds
Mountain Creekshell collected from South Chestuee Creek, Tennessee (female; 39 mm). Photo by staff (Georgia DNR – Wildlife Resources). Specimen courtesy of Georgia Museum of Natural History (GMNH8785).
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