The shells of clams, cockles, mussels and oysters should be tightly shut or should shut immediately if you tap them - when this type of shellfish die, they decompose quickly and may not be safe to ...

San Diego County warns against eating non-commercial shellfish due to toxic domoic acid levels found in local mussels.

Paralytic shellfish poisoning (PSP ... that ODFW and ODA closed to harvesting - that you are preparing for a meal or keeping in the freezer for a later time - throw them out now and do not ...