Canned tuna is a clip food that deserves its place in everyone pantry. It have the right to be supplied in a number of dishes and also it has great shelf life many thanks to the sturdy packaging.

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Canned foods items are inexpensive, basic to store, and are excellent back-up foods.This box food (canned meat) is great for tuna salad and also tuna fish sandwiches. That lasts much longer than fresh tuna and also spoilage is limited with unopened box tuna.

While the shelf life is longer for crate foods, consisting of tuna, there still is an expiration day on the deserve to to abide by.

However, we all have a horror story of how an untrue expiration date traumatized us and put us off eating the food ever before again.Bad crate tuna deserve to make friend sick and also we"re not talking about mercury poisoning. Raw fish itself requirements to be handled with care. Crate fish deserve to be taken on a tiny differently. Tinned tuna can cause food poisoning if taken on inappropriately.


No one desires to be placed off eat tuna fish again, i beg your pardon is why we’re right here to defend you from the problem of dorn expiration dates. This day we’ll be looking in ~ nine methods to call if her canned tuna has gone bad.

If you check out our article and also find that your box tuna is displaying indications that it could be off, you should throw the in the trash appropriate away. Friend can get ill from consuming bad tuna, so don’t hazard your wellness for some tuna fish.

Checking the expiration date

Canned tuna has actually a much longer shelf life 보다 tuna fish outside of a can. It can surprise friend to recognize that tuna deserve to be stored in ~ a sealed deserve to for increase to three to 5 years!

This is one amazing length of time that surprises many human being when they an initial realize exactly how long the tuna might have been kicking around in the can.

Your canned tuna usually has an expiration date printed top top the have the right to which tells you just how long the food is good for. The day is normally considered a ‘best by’ date, definition that you have to consume it before this date.

While the tuna can be quiet edible after ~ this date, the manufacturer can not take duty for that if it goes negative as it’s past the expiration date.

If you’ve found a have the right to of tuna in the back of your pantry past its expiration day that you’re no sure around the fresh of, keep reading to discover out.

Ways come tell if her canned tuna is bad

1. Read the can

The easiest means to call if your canned tuna is still good is to read the expiration date on the can.

The much longer the date has been passed, the much more likely the is that your tuna fish will be bad. If she worried about your tuna going bad, make certain to eat the food prior to this day has surpassed.

Some human being do not want to open up a deserve to that contains negative tuna fish. If you’re particularly worried about this, we would certainly recommend not letting it acquire to this point.

However, if you’ve uncovered a have the right to that you’ve forgotten around and want to understand if it’s still good, girlfriend should inspect the day first.

If the date has surpassed and also you’re already skeptical about the high quality of the tuna within of the can, usage the rest of the tips listed below to phone call you whether you must throw the have the right to out or whether it’s still great to eat.

2. A fishy smell

It’s no an enig that fish doesn’t always smell the best, an especially if it’s been left in a have the right to for who knows how long! among the easiest ways to phone call if your fish is negative is come brace yourself and open the can.

Once you’ve popped the lid, you could get one overpowering odor of fish, oil, and salt. If you space a continuous canned tuna user, friend should recognize the smell that we’re referring to here.

However, if you open the can and also the odor is transformed you can have a can of bad tuna on your hands.

The smell we’re introduce to here is an acidic smell. The can won’t smell of typical tuna fish if it’s gone bad, however rather it will certainly smell ‘off’. If you an alert a smell favor this you can want to take it precautions and throw the deserve to right out.

Wash your hands thoroughly and disinfect anywhere that the tuna brine could have splashed while you were opening the can. This will ensure the there is no spoiled fish roughly you.

3. Leaking liquids

A leaking deserve to indicates the the tuna fish has actually not been kept in the exactly way, so you have to throw your tuna out best away.

If over there is a leak, it method that the meat has not been maintained properly and therefore is no guaranteed to be safe to eat.

Canned foods are pressure sealed to promote freshness. If the have the right to is leaking or has been popped, this freshness has actually been compromised.

Even if the meat watch fine and smells fine, we recommend the you don’t danger it and also just litter it straight right into the trash.

4. Corroded metal

Your crate tuna will be residing in a metal can. While steel is a fairly strong and also durable material, that is still not invincible.

Metal deserve to rust and become corroded if it’s not stored correctly, which might make her tuna go bad quicker 보다 it should.

Rust and also corrosion deserve to make small holes in the metal can which might influence the keeping process.

Moisture and also air will be able to get into the can and affect the high quality of the tuna fish. If there are any kind of signs the corrosion or rust on your can, you might want to litter it out.

5. The color

Tuna fish is generally a pinky, light brown shade when it’s fresh in the can. Checking the color prior to you eat her canned tuna can assure you the your food is still an excellent to eat.

However, execute not eat your tuna if over there are any spots of discoloration.

These can be dark brown, green, or black. Discolored tuna is absolutely not safe to eat so you shouldn’t also think around it. If you not used to making use of canned tuna and don’t recognize the usual color that it must be, err ~ above the side of caution.

Use the other ways that we’ve discussed to view if your canned tuna appears bad. If you’re worried around the suspiciously color and the have the right to is showing more signs that it’s gone bad, throw the tuna fish away.

6. The color - continued

We desire to reiterate the the color of your tuna is an extremely important. Part tuna look at brown in the can and also is still safe to eat. However we just said the dark brown tuna is not safe come eat? we know, and also here is whereby it gets a little trickier.

Brown tuna is tho edible when the brown piece are warm brown in color. In other words, the tuna will have actually a reddish hue if still being brown. If the tuna is dark brown with cool undertones, the tuna should not be eaten.

We prefer to think the it as if the fish is red and looks ‘alive’, the fine come eat. However, if the fish is grey and also lifeless you shouldn’t eat it. Make certain you’re only eating tuna v red undertones fairly than grey ones.

7. Explosion!

We bet that you didn’t understand that cans might explode once they’re in your pantry simply minding their very own business, walk you? while this is really uncommon, it still deserve to happen and also is a sure sign that other is wrong v the box tuna.

However, together the tuna is probably all over your pantry many thanks to the exploding can, you can not be able to eat any type of of that anyway. Merely clean up and throw every one of the tuna away, making certain that friend disinfect anywhere that the fish touched.

A deserve to of tuna can also explode once you popular music the have the right to yourself. The tuna might shoot out of the opening many thanks to the pressure. This can show you that the have the right to was defective and not keeping the tuna correctly.

If the tuna deserve to explodes, just throw it all away and start again through a brand-new can. The deserve to might additionally be bulging indigenous the top or bottom. If the can looks favor it’s going come explode or go explode when you open it, remove the fish.

8. The quality of the can

As you can see, the have the right to is an extremely important once you’re check the top quality of her tuna fish.

You should also look for dents in the can as these can change the expiration day significantly. Dents space not constantly sinister, however it’s occasionally worth check the dents beforehand.

Dents in the lid of her canned tuna are the worst come find, for this reason be specifically cautious that these. The dent can indicate the the pressurization within the can has been altered, affecting the preservation of the tuna fish.

Many world don’t recognize it, however dents in the sheathe of box tuna can promote the growth of salmonella and also other unwanted bacteria.

So, we highly recommend only using box tuna with pristine cans that have actually no dents or damage to them.

9. Take a bite

No, we’re serious - the easiest method to watch whether your tuna fish is great or negative is to take a little bite and see exactly how it tastes. Acquisition a little bite of bad tuna shouldn’t injury you, for this reason this is for sure to execute so.

If the tuna has an ‘off’ taste or tastes acidic, spit that out directly away and throw the fish out. Us would never risk eating something that doesn’t taste how it would certainly normally, specifically if it’s past the expiration date.

Storing canned tuna properly

To prevent your crate tuna going bad, you must store it away from sunlight and also heat.

A kitchen cabinet or pantry would be right for her tuna. Make certain that the cans space stored somewhere the they cannot fall and become compromised.

Keep the cans dry too to protect against corrosion from developing on the cans. We would additionally recommend keeping them somewhere the you’re not going to forget about them. Eat them before the expiration date and you won’t have to worry around whether the meat is poor or not.

We know that it have the right to be tempting when you find a sweet deal at the grocery keep on multiple cans of tuna for a short price. Those the injury in fall up? friend ask, prior to taking castle home and also forgetting about them practically instantly.

Only save as much tuna together you must prevent you from absent the expiration dates. If hoarding canned items sounds good in theory, you can just end up wasting all of your money because that nothing.

Once you open a have the right to of tuna fish, you have to remove the leftover tuna native the can and also place the in a bowl. Cover the bowl v plastic wrap and also store it in the refrigerator. Canned tuna should only be left in the frozen fridge for up to 24 hours.

Leaving that for any kind of longer might reason it come go bad before you deserve to use it all up. Some people like to err ~ above the next of caution and also throw out any tuna that they don’t use best away. It’s approximately you even if it is you desire to use it within the following day or not.


We hope that you’ve found some useful information in ~ our write-up today. Canned foodstuffs are generally safe to eat long after they’ve to be canned as result of the preservation procedure that the deserve to creates.

However, you should constantly put your health an initial and ensure the your tuna is edible.

There room a few distinctive methods to ensure that your tuna is great before you eat it. Firstly, inspect the date and also see if over there are any kind of distinct problems with the can.

Rust, dents, and also holes room telltale indicators that your tuna could not be great to eat anymore.

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Once you open up the can, the smell, color, and taste the the tuna will have the ability to tell you whether you can use the meat or not. When in doubt, throw it out. A possibly bad can of tuna is not worth risking your wellness for.