
The Atlantic Giant Cockle
The Atlantic Giant Cockle, Dinocardium robustum (Lightfoot, 1786), is one of the largest shallow-water bivalves found in the Gulf of Mexico, reaching about 125 mm (6 inches). It is one among eight species of the family Cardiidae present along the shores of Southwest Florida. Its shell is characterized by smooth, rounded radial ribs, usually numbering between 30 and 40 in adult individuals. As it often happens with other species of the family Cardiidae, Atlantic Giant Cockles use their muscular