How long does fresh fish and shellfish last?
Quick answer
Fresh fish and shellfish keeps 1-2 days in the fridge and 2-3 months in the freezer.
Fridge
1-2days
Freezer
Can be frozen: yes
2-3months
Pantry
No known time
-
Mine has been in the fridge for
Refreeze after thawing in the fridge?
- United States
- Yes
- United Kingdom
- Only after cooking
How long does fresh fish and shellfish last in the fridge?
- Fresh Fish and Shellfish: Fresh Fish and Shellfish1-2 days
Your fridge should be set between 0 and 5°C.
Refrigerators should be set to maintain a temperature of 40 °F or below.
How long does fresh fish and shellfish last in the freezer?
- Fresh Fish and Shellfish: Fresh Fish and Shellfish2-3 months
Freezer times are for quality; frozen food stays safe.
Your freezer should be around -18°C
A freezer acts as a pause button - food in a freezer won’t go bad and most bacteria cannot grow in it.
Food stored constantly at 0 °F will always be safe. Only the quality suffers with lengthy freezer storage.
Can you freeze fresh fish and shellfish?
Yes.
How to defrost fresh fish and shellfish safely
- In the fridge
- In cold water, cook it straight after defrosting
- In the microwave, cook it straight after defrosting
- Cook it from frozen
You should defrost your food in the fridge so that it doesn’t get too warm
It’s also important to use food within 24 hours after it’s been fully defrosted
There are three safe ways to thaw food: in the refrigerator, in cold water, or in the microwave.
Check the water frequently to be sure it stays cold. Change the water every 30 minutes. After thawing, cook immediately.
It is safe to cook foods from the frozen state. The cooking will take approximately 50% longer than the recommended time for fully thawed or fresh meat and poultry.
Can you refreeze fresh fish and shellfish?
- In the United KingdomOnly after cooking
- In the United StatesYes
You can freeze food again once cooked, but you’ll only be able to reheat it once after that
Food thawed in the refrigerator can be refrozen without cooking, although there may be some loss of quality.
Foods thawed by the cold water method should be cooked before refreezing.
After cooking raw foods which were previously frozen, it is safe to freeze the cooked foods.
Can fresh fish and shellfish be kept out of the fridge?
Official sources give no room-temperature (cupboard) storage time for fresh fish and shellfish.
What the official sources say
“Fresh Fish and Shellfish 1-2 days”
“Fresh lean fish: cod, flounder, trout, haddock, halibut, pollack, perch 1-2 days”
“Lean fish 1 - 2 days 6 - 8 months”
“Fatty Fish: Mackerel, Bluefish, Salmon, Tuna, Smelt 2 to 3 months”
Frequently asked questions
How long does fresh fish and shellfish last in the fridge?
Fresh Fish and Shellfish: Fresh Fish and Shellfish: 1-2 days.
How long does fresh fish and shellfish last in the freezer?
Fresh Fish and Shellfish: Fresh Fish and Shellfish: 2-3 months. Freezer times are for quality; frozen food stays safe.
Can you freeze fresh fish and shellfish?
Yes.
Can you refreeze fresh fish and shellfish?
In the United Kingdom: Only after cooking; In the United States: Yes.
Can fresh fish and shellfish be kept out of the fridge?
Official sources give no room-temperature (cupboard) storage time for fresh fish and shellfish.
Sources
We always show the most cautious time among official sources. Last checked: 1 October 2026.
- Food Standards Agency - consumer food hygiene guidance GB
- University of Illinois Extension US
- U.S. Food and Drug Administration US
- Wyoming Department of Health US
- Clemson University Extension US
- National Center for Home Food Preservation US
- North Dakota State University Extension US
- USDA FSIS Safe Food Handling and Preparation US