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shellfish · Veneridae

Littleneck Clams

Mercenaria mercenaria

Littleneck clams are small bivalve mollusks found on the Atlantic coast of North America. They are typically harvested from sandy or muddy substrates in tidal areas, making them a popular seafood item in various culinary traditions. Their soft, sweet flavor and tender texture make them ideal for various cooking methods.

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Basic Information

Common nameLittleneck Clams
Scientific nameMercenaria mercenaria
Categoryshellfish
Food familyVeneridae

Alternate Names

esAlmeja Littleneck
frPalourde

Health Benefits

Major benefits
  • Exceptional source of zinc, iron, copper, iodine and vitamin B12.
  • Very lean, complete protein with minimal saturated fat.
  • Regular moderate intake supports thyroid, immune and cognitive function.
EvidenceConsensus among USDA, NIH and WHO reviews is that littleneck clams contributes positively to a balanced eating pattern when consumed in appropriate portions.

Nutrition (per 100 g)

calories74
water g76
protein g12.7
carbs g2
fiber g0
sugar g0
fat g1
saturated fat g0.2
omega3 g0.4
omega6 g0.1
sodium mg219
potassium mg250
calcium mg78
iron mg3.8
magnesium mg23
zinc mg1.6
vitamin a iu0
vitamin c mg3
vitamin k mcg0
folate mcg0

Cultivation

ClimateTemperate
Growing seasonSpring to early autumn.

Global Production

Seasonal availabilityAvailable year-round, but best in summer.

Storage

RefrigerationKeep in a cooler or refrigerator in breathable containers.
FreezingNot recommended as it changes texture.
Shelf lifeLive clams last up to 10 days; cooked clams 3-4 days.

Recipes (1)

United States · Easy
New England Clam Chowder

A creamy soup made with littleneck clams, potatoes, and herbs.

Prep m · Cook m · Serves 4

Interesting Facts

  • Littleneck clams are named after the littleneck region of their shells, which is smaller than other clams.
  • They are often served raw on the half shell, steamed, or used in chowders.

Frequently Asked Questions

Is Littleneck Clams healthy?

Yes — Littleneck Clams is generally considered a nutritious addition to a balanced diet when consumed in appropriate portions.

How should I store Littleneck Clams?

Follow the storage guidance above. Most fresh varieties benefit from refrigeration; shelf-stable versions keep in a cool, dry cupboard.

Can I freeze Littleneck Clams?

Many forms of Littleneck Clams freeze well. Portion into freezer bags, label with the date, and use within 3 months for best flavor.

What does Littleneck Clams pair well with?

Consult the recipe suggestions above — Littleneck Clams usually pairs beautifully with fresh herbs, citrus, or a matching regional cuisine.

Where does Littleneck Clams come from?

Littleneck Clams is produced or sourced in a variety of regions worldwide. Local farmers' markets are often the freshest option.

References

Profile source: seed-stub · updated 8/6/2026