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Raw fish keeps for 1–3 days in a refrigerator at 40°F (4°C) or below, according to FoodSafety.gov. In a freezer kept at 0°F (-18°C) or below, recommended storage times vary by fish type and are quality guidelines—not a safety deadline. Cooked fish should be refrigerated promptly and used within 4 days.

How long does raw fish last in the fridge?

FoodSafety.gov’s cold storage chart gives raw fin fish a refrigerator window of 1–3 days at 40°F (4°C) or below. The range applies to properly chilled fish; storage time alone cannot establish that fish is safe if it was handled or kept too warm.

FoodSafety.gov’s seafood-handling guidance separately advises storing seafood in a clean refrigerator at 40°F (4°C) or below if you plan to use it within 2 days of purchase. These are differently framed recommendations: the chart lists a 1–3 day range, while the handling page gives a 2-day use plan. Keep the refrigerator at or below 40°F and follow package instructions where they apply.

How long can I keep fish in the freezer?

At 0°F (-18°C) or below, FoodSafety.gov’s chart gives the following freezer durations for raw fin fish. The month ranges are for best quality, not a firm safety cutoff.

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Elebase USB to USB C Adapter for iPhone 18 Pro Max,USBC Car Charger Adapter
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Fish category Refrigerator at 40°F (4°C) or below Freezer at 0°F (-18°C) or below
Fatty fish 1–3 days 2–3 months
Listed lean fish: cod, flounder, haddock, halibut, sole 1–3 days 6–8 months
Other listed lean fish: pollock, ocean perch, rockfish, sea trout 1–3 days 4–8 months

The chart says food kept continuously frozen at 0°F (-18°C) or below can be kept indefinitely, although quality may decline. Wrap fish tightly in plastic, foil, or moisture-proof paper before freezing, as the seafood-handling guidance recommends.

How long is cooked fish good for in the refrigerator?

FoodSafety.gov does not list a separate refrigerator duration for cooked fin fish in its cold storage chart. Its general leftovers guidance says to refrigerate leftovers promptly and use them within 4 days. Put leftovers in shallow containers so they chill promptly.

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Can I freeze fish if I won’t cook it within a couple of days?

Yes. FoodSafety.gov advises freezing seafood if it will not be used within 2 days after purchase. Chill it within 2 hours of buying it—or within 1 hour if it has been exposed to temperatures of 90°F (32°C) or above—then wrap it tightly and freeze it. A refrigerator thermometer can help you check that your refrigerator stays at or below 40°F (4°C).

What if fish sat out on the counter?

Do not leave seafood or other perishable food at room temperature for more than 2 hours, or more than 1 hour when the temperature is above 90°F (32°C), according to FoodSafety.gov. If fish has been out longer than the applicable limit, do not rely on smell, color, or appearance to decide whether it is safe.

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Anker USB C Hub, 7in1 Multi-Port USB Adapter, 4K@60Hz USBC to HDMI Splitter
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How to thaw and cook fish safely

Thaw it safely

  • For gradual thawing, leave the fish in the refrigerator overnight.
  • For faster thawing, seal it in a plastic bag, submerge it in cold water, and change the water every 30 minutes.
  • You can use a microwave’s defrost setting only if you cook the fish immediately afterward.

Cook or reheat it to the recommended temperature

Cook fish to 145°F (63°C), or until it is no longer translucent and separates easily with a fork. Reheat leftovers to 165°F (74°C), following FoodSafety.gov’s safe minimum internal temperature chart.

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Specialty and packaged fish

The durations above cover raw fin fish and general cooked leftovers; they do not establish a universal storage time for every cured, smoked, vacuum-packed, or commercially prepared fish product. Follow the package’s storage instructions for those products.

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