A clam is any of a number of edible[?] marine bivalve mollusks living in sand or mud[?] on the shores of oceans.
Also see mussel.
... (3.0 mi²). 7.5 km² (2.9 mi²) of it is land and 0.2 km² (0.1 mi²) of it is water. The total area is 2.35% water. Demographics As of the census ...