Gari fervensis- this nice shell which prefers coarse non polluted sand  lives around  la Galite islands (these  islands are situated at equal distance between Tunisia and Sardinia).  

 
 
 
 
 
 

Gari depressa - this shell lives in the Tunis gulf on sand or mud bottoms from the sea level to about 30m depth. It toilers a  slight eutrophication.

 
 
 
 
 
 
 
 
 
 

Photos by J. Zaouali
 
 

 
 

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