North Island Explorer: Guide to North Vancouver Island

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Northern Striped Dogwinkle

Photo 1: A Northern Striped Dogwinkle. (Photo taken at Shelter Point)

 

Northern Striped Dogwinkle: Nucella ostrina

 

This snail is one of a group of snails known as 'oyster drills'. It feeds on barnacles and oysters in the intertidal zone by drilling a hole through their shell with its radula.  It then inserts a digestive enzyme and sucks out the digested material.

 

 

 

 

 

Marine Life Guide to North Vancouver Island