Blue Periwinkle

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Scientific name
Austrolittorina unifasciata 
Common name
Blue Periwinkle
Life on the Edge
Page 30
Sea Snails
Where to find
Exposed reef and cliff faces near and just above high tide mark

The Blue Periwinkle is a small snail with a pale blue-grey shell and brown tip. Shell up to 1 cm long

Occurring high on rocks in the spray zone these tiny grazers are able to survive long periods out of the water, by clustering in large numbers on rock faces and in crevices.