Category Archives: Crustaceans

Gooseneck Barnacle

There are two types of barnacles. The first are those with their shells cemented directly to the substrate, such as the acorn barnacle I described in yesterday’s post (“Acorn Barnacle” on 12-07-2019). The second has a stalk between the substrate and … Continue reading

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Acorn Barnacle

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Acorn barnacles (Balanus glandula) are crustaceans, related to shrimp, crabs, snails and lobsters. Their habitat is the intertidal zone, the area between the high and low tides. A sessile animal, once attached to rocks along the shore, wharfs, pilings or … Continue reading

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