<p>Californian mussel (Mytilus californianus)
</p>
<a href="https://en.wikipedia.org/wiki/Asilomar_State_Beach" class="extiw" title="w:Asilomar State Beach">Asilomar State Beach</a>
<a href="//commons.wikimedia.org/wiki/User:Tewy" title="User:Tewy">Tewy</a>
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>