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Food Storage - How long can you keep...

MACKEREL, COMMERCIALLY CANNED — OPENED

Refrigerator
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3-4 days
Freezer
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3 months

Tips

  • How long does a can of mackerel last once opened? The precise answer depends to a large extent on storage conditions - keep opened mackerel refrigerated and tightly covered.
  • To maximize the shelf life of canned mackerel after opening, refrigerate in a covered glass or plastic container.
  • How long does opened canned mackerel last in the refrigerator? Mackerel that has been continuously refrigerated will keep for about 3 to 4 days.
  • Is canned mackerel safe to use after the "expiration" date on the package? Yes, provided it has been stored properly, the package is undamaged, and there are no signs of spoilage (see below) - commercially packaged mackerel will typically carry a "Best By," "Best if Used By," "Best Before", or "Best When Used By" date but this is not a safety date, it is the manufacturer's estimate of how long the mackerel will remain at peak quality.
  • To further extend the shelf life of opened canned mackerel, freeze it: to freeze canned mackerel, place inside covered airtight containers or heavy-duty freezer bags.
  • How long does canned mackerel last in the freezer? Properly stored, it will maintain best quality for about 3 months, but will remain safe beyond that time.
  • The freezer time shown is for best quality only – canned mackerel that has been kept constantly frozen at 0°F will keep safe indefinitely.
  • How long does canned mackerel last after being frozen and thawed? Canned mackerel that has been defrosted in the fridge can be kept for an additional 3 to 4 days in the refrigerator before using; mackerel that was thawed in the microwave or in cold water should be used immediately.
  • How can you tell if opened canned mackerel is bad or spoiled? The best way is to smell and look at the mackerel: if the mackerel develops an off odor, flavor or appearance, or if mold appears, it should be discarded.
  • Discard all mackerel from cans or packages that are leaking, rusting, bulging or severely dented.

Sources: For details about data sources used for food storage information, please click here

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