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Elliptio ahenea (I. Lea, 1843)
Southern Lance

Southern Lance collected from the St. Johns River, Florida (57 mm). Photo by staff (Georgia DNR – Wildlife Resources). Specimen courtesy of Georgia Museum of Natural History (GMNH7001).
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Federal Protection: No US federal protection

State Protection: No Georgia state protection

Global Rank: G3

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: 4

Habitat Summary for element in Georgia: Low gradient creeks or pools in medium rivers; siltly sand and mud

SWAP 2025 Threat Matrix

Threat 1 Threat 2 Threat 3
General Threat Pollution Natural system modifications Pollution
Specific Threat Agricultural & forestry effluents Dams & water management/use Domestic & urban waste water

SWAP 2025 Conservation Actions:

  • Action 1: Assess SGCN mussels and mussel communities in the Suwannee River system
  • Action 2: Identify host fish species
  • Action 3: Minimize impacts of urbanization on aquatic SGCN and habitats
  • Action 4: Support Better Backroads Program to protect Aquatic SGCN from sedimentation
  • Action 5: Assess SGCN mussels and mussel communities in the St. Mary's River system
  • Action 6: Determine taxonomic validity of potential SGCN mussels in the genus Elliptio
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