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How long does fresh clams, mussels, oysters last?
Fresh clams, mussels, oysters keeps for about 5 to 10 days in the refrigerator. Counted from the date of purchase.
| Where | How long |
|---|---|
| Refrigerator | 5 to 10 days |
Storage times are the USDA FoodKeeper guidance for quality and safety, not a guarantee; a printed use-by date on the package comes first. Source: USDA FSIS FoodKeeper (CC0), fetched 2026-10-27, category Seafood / Shellfish.
How Known uses thisWhen a receipt lists fresh clams, mussels, oysters, Known estimates an expiry from the purchase date and typical shelf life and shows which rule it used, for example "7-day rule". Shelf-stable staples get no date at all.
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