+Barnacles are a unique [Crustacean](/wiki/crustacean), permanently anchored to hard surfaces such as [Rocks](/wiki/rock) or ship hulls. They spend their adult lives as sessile filter feeders, using feathery limbs to capture plankton from the water.
+## See also
+- [Marine Life](/wiki/marine_life)
+- [Filter Feeder](/wiki/filter_feeder)
+- [Sessile Animal](/wiki/sessile_animal)
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