贻贝大家都吃过，但每个地方叫法都不尽相同，看到菜单上的青口、海虹、淡菜，千万别傻眼，今天就让多肉君来教你分辨。 我国沿海出产好几种贻贝，有几种是主流食用，并形成规模养殖的。北方主要出产的是紫贻贝Mytilus galloprovincialis，个头不大，外壳乌紫 ...

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