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Clam

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For other uses, see Clam (disambiguation).

Clams are shelled marine or freshwater mollusks. Clams are bivalve, meaning their shells consist of two halves.

Characteristics

Clams can be hard-shelled or soft-shelled. The digestible portion of the clam consists of muscles, which allows it to open and close its shell. For example, the siphon is used to take in water. Moreover, the foot is used to thrust itself through the sand.

Giant clam (Tridacna gigas)

Types of clams

  • The hard clam – Mercenaria mercenaria; quahog
  • The soft clam – Mya arenaria
  • The surf clam – Spisula solidissima
  • The ocean quahog – Arctica islandica
  • The Pacific razor clam – Siliqua patula
  • The giant clam – Tridacna gigas
  • Asian or Asiatic clam – Corbicula species

See Also

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