Macro Monday: Pollicipes polymerus

When it comes to intertidal close ups Pollicipes are agreeable subjects. They won’t much change their demeanor if, to get things right, you need to nestle in among them. Gooseneck barnacles, Pollicipes polymerus, stick to surf-swept shores. They stand out in the the mussels beds.

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Missed Opportunities with Littorina sitkana and Gloiopeltis furcata

I’ve surprised myself twice recently by unexpectedly noticing species I’ve never seen in the wild in my photographs featuring other species. The periwinkle below, the little striped snail, escaped my attention while I engaged in a four-photograph sequence featuring the limpets. The little snail is Littorina sitkana, the Sitka periwinkle. Who knew a snail could…

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Quiet Moments From the High Intertidal

Among invertebrate inhabitants of the high intertidal, activity, for some, grinds to a halt when things dry out. Clamped down against a vertical wall with shells for protection, waiting out low tide won’t challenge these limpets and barnacles. It doesn’t hurt that they’ve settled on the shady side. A periwinkle made it just so far…

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Dodecaceria, Cropped

This mound is home to a colony of marine worms, Dodecaceria, probably D. fewkesi. Here, the worms have retreated, it being low tide, into their calcareous tubes. Their tubes are embedded in a matrix of cemented sand particles. When the tide returns, they’ll poke their tentacled heads out to feed. A version of the photograph…

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