Panama City Ecological Services / Fish & Wildlife Conservation Office
Conserving the Nature of America

 

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Freshwater Mussels

The rivers that flow into the eastern Gulf of Mexico historically supported 58 species of freshwater mussels.  Nearly 70% are endemic to (found only in) these systems.

Seventeen listed mussels and 6 at risk mussels occur in river basins from the Escambia River east to the Suwannee River.   Habitat loss and degradation as a result of impoundments, pollution, sedimentation, channel dredging, altered flow regimes, and development activities are the primary reason for their decline.

 
Escambia River near Mystic Spring, Florida
Escambia River near Mystic Spring, Florida
Credit: M.M. Gangloff

 

Suwannee Moccasinshell

Suwannee basin, Listed in 2016

   
   
 

8 Mussels

Escambia, Yellow, Choctawhatchee basins, Listed in 2012
   
   
 

7 Mussels

Econfina, ACF, Ochlockonee, Suwannee basins, Listed in 1998

 

Overview Map of Critical Habitat

 


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High density site Apalachicola River, Florida
 

Small southern kidneyshell
High density site
Apalachicola River, Florida
Credit: FWS
  Small southern kidneyshell
Pea River, Alabama
Credit: M.M. Gangloff



 

Last updated: November 21, 2016