Latin name: Anadara antiquata
Arkshell usually lives at water depth of 3-10m in the places where there are mud mixed with mollusc shells, and the salinity varies between 30-350/00. Ark shell is a filter feeder. They feed on organic detritus and phytoplanktons.
Arkshell mostly live in the central of Vietnam, especially in Binh Thuan province.
Season: from August to March
Catching method: manual dredging and scooping