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The stalked barnacle is a common species found on the littoral zone (middle shore) of local rocky shore. This common barnacle species in Hong Kong is Pollicepes mitella. |
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On the rocky shore, the barnacle and stalked barnacle compete for space - the site of attachment. This is an example of inter-specific competition. |
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The body of the stalked barnacle lies in the crevice while the calcareous plates protrude outside. Firmly attached, it can live in exposed shore. |
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