Embed Northern Rock Barnacle - Semibalanus balanoides

Northern Rock Barnacle - Semibalanus balanoides Common, intertidal barnacles that resemble volcanoes  or dragon eyes. This rock had multiple generations as you can see from the variations in size.

They have a membranous base and the outer shell consists of white, overlapping, shell-like plates that grow with the animal.

Habitat: Encrusted on rocks in the low tide zone

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