9.6K views · 126 reactions | One of the critters most likely to be encountered by summer beachgoers is the coquina clam Donax variabilis. These tiny bivalves are common but patchy residents of ocean beaches from New York to Texas. A sign of healthy waters, they filter plankton and other small organisms from the surf zone, and are an important food source for shorebirds and some fishes. | Virginia Institute of Marine Science | Facebook

20K views · 653 reactions | Beachgoers around the world are likely familiar with the sight of coquina clams. These bivalve mollusks inhabit sandy coasts and can often be found burrowing in and out of the sand, searching for food as waves break on the shore. | National Aquarium | Facebook