Can You Freeze Previously Frozen Fish?

can you freeze previously frozen fish

The question, “Can you freeze previously frozen fish?” is a common one; many have found themselves asking this. The answer to the question is yes, but there are some factors to bear in mind before freezing previously frozen fish.

In this article, we will look into these factors, the best ways to freeze previously frozen fish, and how to go about it.

What is Previously Frozen Fish?

can you freeze previously frozen fish

As the name implies, previously frozen fish is fish that has been thawed or defrosted before. In other words, it means fish that you have previously consumed and then placed the leftovers in the freezer. Refreezing frozen fish is a good idea, but there are some factors to bear in mind. You can only refreeze fish again if:

  • you defrosted them in the fridge or refrigerator;
  • you stored the fish in an air-tight container;
  • you checked how long you stored the fish.

Fish can stay in the freezer for up to 4-6 months. If the fish has exceeded this period of freezing time, it is best not to refreeze it again.

There are a few ways of storing fish and the proper way to keep them for a long period of time.  So, can you freeze previously frozen fish? Let’s look at how to freeze them.

How to Freeze Previously Frozen Fish

Freezing previously frozen fish is not as easy as it may seem since there are some factors to bear in mind before freezing them. Nonetheless, you must consume fish within 3 months before they start to deteriorate in taste and quality.

Step 1: Wrap Them

The first thing you want to do is wrap the fish in plastic wrap or cling film. Alternatively, you can place this in a vacuum-sealed bag and seal the edges immediately.

Step 2: Bag Them

After wrapping, ensure there’s no air or moisture. Air is the enemy when it comes to freezing food. So, push the excess air out of the bag and place it in a freezer bag or ziplock bag.

Step 3: Seal Containers

You can also place the wrapped fish in an airtight container. Seal the freezer bag and close the lid of the airtight container tightly and firmly.

Step 4: Record and Freeze

Lastly, record the storage date of the containers and seal the bag using a marker pen. This way, it helps you to remember what date you stored the fish and also to remind you to consume it before it expires.

Remember, fish can stay up to 6 months, but it is best consumed within 3 months. When fish is frozen again and again, the taste, texture, and flavor are altered, and there’s room for bacterial development.

How Long Can You Freeze Previously Frozen Fish?

You can freeze previously frozen fish for up to 2-3 months. But it is important to keep in mind that the quality of the fish will deteriorate and will not taste as good as the first time.

We recommend storing previously frozen fish in airtight containers or

 freezer bags and labeling the storage date to be on the safe side at all times.

4 Tips for Freezing Previously Frozen Fish

Now the question as to whether can you freeze previously frozen fish has been answered. Here are a few tips to bear in mind while and before freezing previously frozen fish:

Tip 1: Always defrost or thaw frozen fish safely by using the fridge or refrigerator.

Tip 2: Ensure your fish is kept away from air and moisture.

Tip 3: Always seal and close the lids of air-tight containers before labeling.

Tip 4: Consider double-wrapping fish to keep air and moisture out.

How Do You Defrost Previously Frozen Fish?

When you are ready to defrost previously frozen fish, the safest and best way is to place them in the fridge or refrigerator till it is properly thawed. This way, you can safely refreeze them again for some time.

Also, always defrost frozen fish in the refrigerator and never at room temperature.

How To Tell If Your Previously Frozen Fish Is Bad

If you do not properly seal and store your fish, it is most likely to go bad. Here are signs to look out for to tell if your previously frozen fish has gone bad:

  • An unpleasant and sour smell
  • Dull and flaky appearance
  • Slimy texture
  • Soft and mushy

It is unsafe to consume spoilt frozen fish as it leads to illnesses and health problems. If you observe any of this, immediately throw them out.

Can You Refreeze Previously Frozen Fish?

Yes, your previously frozen fish can be refrozen. But it is advised that you only refreeze them if you have defrosted them in the refrigerator. And, if you must refreeze them, follow the step-by-step guide on how to freeze previously frozen fish.


The answer to the question, “Can you freeze previously frozen fish?” is yes. Fish is a great source of protein; no wonder it can be safely refrozen only when it has been thawed appropriately in the fridge.

In conclusion, fish can be stored for up to 2–6 months without degrading in texture or taste, but it is best consumed within 3 months. Remember to store them properly by using airtight containers, and a freezer bag is advised.

You could also check out how to freeze marinated meat.


Can you freeze fish that has been previously frozen?

On the condition that you have safely defrosted your fish in the fridge,  you can freeze them again.

Can you cook frozen fish then freeze it again?

Yes, you can freeze cooked fish again. But ensure you allow it to thaw safely in the fridge or refrigerator and never at room temperature.

Is fish that has been thawed and refrozen safely to eat?

Yes, it is safe to eat fish that has been thawed and frozen again.

What happens if fish is frozen twice?

If you freeze fish again, it will be frozen as long as it is stored and sealed properly, you have no issue

How do you cook previously frozen fish?

To cook previously frozen fish, you want to make sure the fish is properly thawed in the fridge. After thawing, you can reheat in the oven at 350°F for 10–15 minutes or on the stovetop for 2-3 minutes using grapeseed oil or olive oil.

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