Mactra chinensis is a species of saltwater clam, a marine bivalve mollusc in the family Mactridae, the trough shells.

Mactra chinensis is found living in sandy substrates in shallow marine habitats in Vietnam, Korea, Mainland China and Taiwan.

[2] In Japan, the clam is known as bakagai ("fool clam") or aoyagi.

The adductor muscle is called kobashira and is often eaten as sushi.

This bivalve-related article is a stub.