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A Colony of Poli's Stellate Barnacles
A Colony of Poli's Stellate Barnacles
Photographer: Michael Maggs

The term Sessile refers to animals that are not able to move around, as they are fastened to a solid surface.

Most sessile animals are invertebrates that live in water.

For example, barnacles are usually permanently attached to a solid substrate of some kind such as a rock or the hull of a ship.

Associated Terms: Sessility


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