Practical Tips: Storing Fish Properly to Prevent Bacteria and Toxins

By. Edi - 17 Sep 2025

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lautnusantara.com Food poisoning from consuming stale fish is a serious and common problem. Fish is a highly perishable food, and if not stored properly, harmful bacteria can multiply rapidly. Furthermore, several types of natural toxins, such as histamine, can also form, even in fish that is initially fresh.

Here are some practical tips for storing fish properly, ensuring safety and freshness, and preventing food poisoning.

1. Careful Buying is Key
The first step in maintaining fish freshness begins when you buy it. Choose fish that is intact and not soft to the touch. Pay attention to the eyes; fresh fish eyes are clear, prominent, and not sunken. Also, check the gills. Fresh fish gills are bright red, not brownish or grayish.

Avoid buying fish with a strong fishy odor. Fresh fish should only smell of the sea, not rotten. Make sure the fish is stored in a clean ice container at the seller's premises.

2. Store in the Refrigerator Immediately
After purchasing, bring the fish home immediately and refrigerate it. Don't leave it at room temperature for too long.

If you plan to cook the fish within 1-2 days, you can store it in the chiller or the coldest compartment of the refrigerator. Before storing, clean the fish, gut it, and wash it thoroughly. Dry it with a paper towel, then place it in an airtight container or wrap it tightly in plastic wrap. Place it on a tray filled with crushed ice. The ice will help maintain the cold temperature.

3. Freeze for Long-Term Storage
If you won't be cooking the fish immediately, freezing it is the best option. The freezing process can stop bacterial growth and maintain the quality of the fish for a longer period.

  • Clean and Cut: Clean the fish as above. If it's large, cut it into portions you need. This will make it easier to thaw later.
  • Wrap Tightly: Wrap the fish individually or in portions with plastic wrap or aluminum foil to prevent air from entering. Air is the main enemy of frozen fish because it can cause freezer burn (fish that dries out and changes color).
  • Airtight Container: Place the packaged fish in a freezer bag (ziplock bag) or airtight container.
  • Label: Write the freezing date on the package so you know how long the fish has been stored.

4. Thawing Frozen Fish Properly
The process of thawing frozen fish is just as important as how you store it. Avoid thawing fish at room temperature, as this can encourage bacterial growth.

  • Best Method: Transfer the frozen fish from the freezer to the refrigerator's chiller overnight. This process is slow, but the safest.
  • Quick Method: Place the tightly wrapped fish in a bowl of cold water. Change the water every 30 minutes. Do not use hot or warm water.

By following these simple tips, you will not only maintain the quality and flavor of your fish, but also protect yourself and your family from the risk of food poisoning. Remember, safety is paramount.

 

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