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Littleneck Clam

Mercenaria mercenaria

Also known as

hard clam, quahog, round clam, hard-shell clam

About the Littleneck Clam

The Littleneck Clam, a type of hard clam, is a robust marine bivalve mollusc recognized by its thick, hard, and typically roundish shell. Its exterior is often a dull gray or off-white, sometimes with concentric growth rings or grooves. The interior of the shell is usually smooth and porcelain-white, sometimes with purple markings near the hinge. As its name suggests, the 'littleneck' designation refers to a smaller, more tender size class, highly prized for culinary use. It can grow larger, where it might be called a cherrystone or quahog.

Source: FishBase & iNaturalist

Habitat

These clams are typically found burrowed in sandy or muddy bottoms, inhabiting estuaries, bays, and protected coastal waters. They thrive in the intertidal zone down to depths of about 50 feet, preferring areas with moderate currents that bring in their food source.

Distribution

Its native range extends along the eastern shores of North America and Central America, from Prince Edward Island in Canada down to the Yucatán Peninsula.

Behaviour

Littleneck clams are filter feeders, using siphons to draw in water and extract microscopic plankton and organic matter. They remain largely stationary once they settle into the substrate, burying themselves a few inches deep with their siphons extending upwards to the water. They are known for their resilience, capable of surviving a wide range of salinity and temperature conditions.

Edibility

★★★★★

Considered excellent table fare, Littleneck Clams are highly valued for their sweet, briny flavor and tender texture. They are superb when eaten raw on the half-shell, steamed, or incorporated into pasta dishes and chowders.

Lure suggestion

Catching Littleneck Clams requires digging rather than traditional angling. Look for clam beds at low tide, often identifiable by small 'keyhole' or figure-eight shaped holes in the sand or mud. Use a clam rake or shovel to carefully dig 4-6 inches deep in these areas, sifting through the substrate to locate the clams. Be mindful of local regulations regarding size limits and daily catch quotas.