How Long Does Fish Last Vacuum Sealed In Fridge? [Expert Review!]

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Most people understand that fresh fish spoils in a matter of days, which is why we often buy fish sticks and fish cakes for those with dietary restrictions. However, did you know that fish that has been vacuum-sealed and stored in the fridge can last for months? The science behind this phenomenon is interesting – and surprisingly useful – but first, let’s discuss the history of preserved fish.

The Origins Of Frozen Fish

Frozen fish didn’t originate in modern times, and actually, the first known examples were preserved in the now-defrosted Arctic Circle. During the 19th century, people discovered they could preserve fish by freezing it, and this allowed them to consume meat during the winter months. Freezing enabled the fish to be stored for much longer than it would have been possible to do otherwise, and as a result, the culinary world took a major turn for the better. In fact, many consider the invention of the freezer to be one of the most important developments of the 19th century, primarily benefitting women because it allowed them to prepare and store large quantities of food while working inside their homes.

How Long Does Fish Last In The Fridge?

After the American Civil War, commercial fishing flourished, especially in the waters off the East Coast. People of the time were accustomed to eating fresh fish, so when they had access to frozen fish from the market, they didn’t need much persuading to try it. As a result, the production of frozen fish increased by leaps and bounds, with large processing plants cropping up all along the coast, turning out thousands of pounds of fish and seafood each week. The industry quickly became highly automated and sophisticated.

What Is The Key To Keeping Frozen Fish Fresh?

The key to keeping frozen fish fresh is simple: you have to make sure that the fish is frozen sufficiently. Many ice machines are made with a gasket that prevents ice from dripping into the food that they are producing, so it is very important that the level of water in the container remains low. Overly dry foods will result in freezer burn, so it is essential that you never let your ice cream or frozen yogurt containers get near to being empty.

Some experts recommend storing fish and other seafood on the edges of the freezer unless you have some very expensive and sophisticated equipment, in which case they say to store them in the center.

How Do You Thaw Fish?

You can usually find instructions on the packaging of your fish, so without further ado, let’s get to the good stuff and answer the all-important question: how do you thaw fish? You will need to defrost it in the refrigerator, of course, which means that you will also need to know how to defrost the fridge, right?

The first step is to remove the container from the fridge and allow the fish to warm up for a few minutes. It is best not to take out the whole container but only enough to allow you to open the bag or box that the fish is packed in, otherwise, your ice cream or cake might melt due to the sudden warm temperature.

Once the fish is at room temperature, you should wash it and remove the scales with a toothbrush if they have been accumulating for a while. The last thing you want to do is cut into your precious catch and discover that there are little hooks inside your fish.

What Is The Best Way To Serve Defrosted Fish?

When you have defrosted your fish, you will need to decide how you want to serve it. You can’t serve a whole fish, except in rare cases, since the majority of people consider fish to be a main course, and you usually serve the tailpiece first so that it can be removed before serving the rest of the fish. After defrosting, you can remove the entrails and clean the fish with cold water, which will leave you with a much better looking and tasting product than if you had just microwaved it or boiled it, which is usually the case when people prepare fish this way.

Usually, fish is served with tartar sauce or tartare, or sometimes with remoulade, or even just a little squeeze of lemon.

How Do You Store Defrosted Fish?

After you have prepared your fish, it is necessary to store it properly so that you can enjoy its delicious taste all year long. One way to do this is by putting it in the refrigerator, where it will stay fresh for up to three months. If you prepare larger quantities of food in advance, this is certainly desirable, as you will not have to worry about running out of culinary delights whenever you feel like it.

You should try to eat the fish as soon as possible after preparing it, which means that you should store your freshly caught fish away from the coldest areas of the refrigerator. If you store it in the freezer, however, this frozen block of fish will remain fresh for up to six months, enabling you to enjoy a delectable meal at any time during the year.

As the ice melts during this time, you will need to stir it with a spoon to ensure that the food does not become completely mushy, as this is generally regarded as an indication of spoilage. You should do this frequently, as frequent stirring will keep your ice cream or frozen yogurt consistency without risking any undesirable forms of frostbite or freezer burn.


Fish that is stored in the fridge will keep its freshness for a surprisingly long time, which means that you do not need to hurry to the fishmonger as soon as the fish is cooked to have it served. You can eat your catch of the day as soon as it is defrosted and cleaned, and there will be no adverse effects to doing so. If you prepare larger quantities of food in advance, this is definitely desirable, as you will not have to worry about running out of culinary delights whenever you feel like it.

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