Rissoa variabilis (Von Mühlfeldt, 1824)
Variable risso
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Family:  Rissoidae ()
Max. size: 
Environment:  benthic; marine; depth range 0 - 50 m
Distribution:  Mediterranean Sea.
Diagnosis:   
Biology:  Epifauna on vegetated substrates (Cymodocea nodosa), feeding on microalgae at depths between 10 and 14 m in different seasons (Ref. 124743). Found in Posidonia oceanica meadows with low and extremely low pH conditions (Ref. 124742).
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans:  harmless
Country info:   
 

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