Clams move using a muscular "foot" that they extend from their shells to dig and propel themselves through sand or mud. The Clam's Foot: Clams have a large, fleshy, muscular foot located between their two shells. (Looks like a big ol tongue) Digging and Anchoring: To move, the clam extends its foot out of the shell and uses it to dig into the sand or mud. 🕳 Propulsion: Once the foot is anchored, the clam can use it to pull its body forward, effectively moving through the substrate. Shell Muscle

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