Tag Archives: PSP is a biotoxin produced by algae

Northwest shellfish industry dismayed at China’s partial ban of some shellfish exports

The ban has brought the geoduck industry here to a virtual halt. Fish inspectors in China notified the U.S. Embassy on Dec. 3 that China was tentatively suspending imports of geoduck and other “double-shell aquatic animals,” such as oysters, because they found high levels of paralytic shellfish poisoning, or PSP, in a Nov. 21 shipment of geoducks. [email protected]  08:43