A stalkless barnacle that attaches itself to a variety of surfaces including rocks, ships, and marine animals. Large numbers of individuals may form a heavy encrustation that can affect the progress of a ship.
- Genus Balanus, family Balanidae.
- Chthamalus anisopoma is a mid-intertidal acorn barnacle distributed throughout the Gulf of California.
- Limpets and acorn barnacles are the most important food items on the wintering grounds of the Black Turnstone.
- Here we will find acorn barnacles, mussels, crabs, and sea stars.
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Syllabification: a·corn bar·na·cle
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