Goose barnacle
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Goose barnacles or stalked barnacles are any of several species of filter-feeding crustaceans characterized by a fleshy stalk of which one end is connected to an armored capitulum and the other end is
Pollicipes pollicipes
Lepas anatifera in Thailand
Gooseneck barnacles reaching down from the top of a tidal cave in Oregon
"The goose-tree" from Gerard's Herbal (1597), displaying the belief that goose barnacles produced barnacle geese.
Barnacle
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Barnacles are arthropods of the subclass Cirripedia in the subphylum Crustacea. They are related to crabs and lobsters, with similar nauplius larvae. Barnacles are exclusively marine invertebrates; ma
Goose barnacle
…until research beginning in the 1960s and chiefly led by William A. Newton found the group to be polyphyletic. Like all barnacles, stalked species begin life with two distinct planktonic larval stages, after which they permanently attach themselves to various substrates with adhesive secreted from their characteristic stalks…
Chthamalus stellatus
Whale barnacles on a humpback whale
Nauplius larva of Elminius modestus
Cypris larva of Amphibalanus improvisus