North Island Explorer: Guide to North Vancouver Island






































Checkered Periwinkle

Photo 1: A Checkered Periwinkle on driftwood. (Photo taken at Pacific Rim National Park)


Checkered Periwinkle: Littorina scutulata


This tiny gastropod is commonly found in the high tide zone, or splash zone. It feeds on algae attached to rocks. It needs to wet its gills only occasionally, being very efficient at conserving moisture.






Marine Life Guide to North Vancouver Island