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Lethenteron appendix (DeKay, 1842)
American Brook Lamprey
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: Data Deficient
Element Occurrences (EOs) in Georgia: 4
Habitat Summary for element in Georgia: Small streams, ammeocetes along low velocity banks in cover, adults spawn in riffles