藤壶的祖先曾在海中自由自在地遨游，而这种胶则令藤壶粘附在经常被强劲的海浪所冲刷的岩石上生存。
It holds an animal whose ancestors swam freely in the sea to rocks that are often battered by powerful waves.
纹藤壶在北方的渤海、黄海海区是主要的致污种类，网纹藤壶则在东海和南海沿岸海区占绝对优势。
However, the predominant species of acorn barnacles is B. reticulatus in the East China Sea and South China Sea. The settlement period of fouling acorn barnacles is usually in summer and autumn.
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