Top: Kids and Teens: School Time: Science: Living Things: Animals: Invertebrates: Crustaceans: Barnacles (2)
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The Barnacle and the Poor Green Crab - Describes one parasitic barnacle and how it destroys the reproductive system of poor green crabs.

Barnacles - It would be odd for humans to stand on their heads while eating on their feet, but as this site demonstrates, for barnacles that is just one aspect of everyday life.