Sinonovacula constricta

Sinonovacula constricta, the constricted tagelus, Chinese razor clam or Agemaki clam, is a commercially important species of bivalve native to the estuaries and mudflats of China and Japan. It is extensively aquafarmed in China and other countries, with 742,084 tons worth US$667,876,000 harvested in 2008.^[3]

Salt-baked Duotou clams, a famous Putian dish

Sinonovacula constricta
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Order:	Adapedonta
Family:	Pharidae
Genus:	Sinonovacula
Species:	S. constricta
Binomial name
Sinonovacula constricta (Lamarck, 1818)[1]

Global aquaculture production of Constricted tagelus (Sinonovacula constricta) in thousand tonnes from 1965 to 2022, as reported by the FAO^[2]

Clams from Duotou village in Putian city, Fujian are particularly famous, and are a key ingredient in Putian cuisine.^[4]