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3a. Gooseneck Barnacles

3a. Gooseneck Barnacles

Barnacles are crustaceans that live in shells stuck to the rock. They are more closely related to shrimp than to other shell-dwelling animals, like mussels and clams. During high tide, when these Gooseneck barnacles (Pollicipes polymerus) are covered in water, they extend feather-like legs called cirri into the water, in order to feed on plankton.

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Photo taken @ Santa Cruz on 20 May 2007 (© kqedquest / Flickr)

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 gooseneck barnacles, pollicipes polymerus, crustacean, intertidal, zonation, ecology, kqed, quest, oceans, tidepools, california, fiztgeraldmarinereserve, exploration, santacruz, coast, biology, marine biology, fitzgerald marine reserve

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