Somatogyrus tenax F.G. Thompson, 1969
Savannah Pebblesnail

---

Federal Protection: No US federal protection

State Protection: No Georgia state protection

Global Rank: G2G3Q

State Rank: S1

Element Locations Tracked in Biotics: Yes

SWAP 2015 Species of Greatest Conservation Need (SGCN): Yes

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

2025 SGCN Priority Tier: Highest Conservation Concern

Element Occurrences (EOs) in Georgia: 6

Habitat Summary for element in Georgia: Medium rivers, undersides of cobbles and boulders in shallow rocky rapids; also found in association with aquatic vegetation

---

SWAP 2025 Threat Matrix

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

SWAP 2025 Conservation Actions:

• Action 1: Assess SGCN gastropod and gastropod communities in the Savannah River system
• Action 2: Research genetics and taxonomy
• Action 3: Minimize impacts of urbanization on aquatic SGCN and habitats
• Action 4: 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

---

Login