Usually, a trip to the beach yields a good helping of empty barnacle shells. The owners having vacated them for the great sea in the sky. Sometimes, however, you chance upon a barnacle apartment building full of tenants who inadvertently wash ashore.
I am sure this was one of the non native Acorn Barnacles but I am unsure as to whether it is a Purple or the more invasive Titan. Either way I am not one to kill animals, no matter how great or small, so I set them back adrift in the Gulf after their photo shoot.
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