acorn barnacle

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Related to acorn barnacle: Balanus balanoides
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  • noun

Synonyms for acorn barnacle

barnacle that attaches to rocks especially in intertidal zones

References in periodicals archive ?
Wind-driven settlement patterns in the acorn barnacle Semibalanus balanoides.
In calm waters, acorn barnacles grow long, flexible members in order to reach as many mates as possible, while in choppier waters, they develop more muscular penises with far less reach.
Next, in the upper intertidal zone, come the algae eaters, such as acorn barnacles and limpets.
State fish and wildlife biologists inspected the bottom of the severed piece of the dock and found non- native species, including pink Japanese acorn barnacles, parks officials said.
Sea levels in Holyhead have risen by half a metre over the past 30 years, while warm currents have forced acorn barnacles and some types of seaweed further north.