1) Marine edible bivalve 
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. ...