Can tuna go bad in the fridge? (9 Fishy Highlights)

In this brief guide, we will answer the question, can tuna go bad in the fridge? We will discuss how long tuna is until tuna goes bad in the fridge and how to store and make tuna last safe for long.

Can tuna go bad in the fridge?

Tuna can go bad in the fridge. An open tuna can, fresh tuna, or cooked tuna will go bad in the fridge after 3-6 days. Cooking, handling, and storage are crucial to how long tuna stays good in the fridge.

Canned tuna will not go bad in the fridge. If you accidentally put canned tuna in the refrigerator, check if the can is okay and does not show signs of rust. Usually, it is safe but useless to keep canned tuna in the fridge.

Tuna will not go bad as quickly in the freezer. Whether it be cooked or uncooked tuna, freezing it is good for long-term storage to prevent it from going bad for about three months. 

Can fresh tuna go bad in the fridge?

Fresh raw tuna will keep in the fridge for 1-2 days. Cooked tuna fish however will go bad in 3 or 4 days in the fridge.

 Fresh tuna must be placed in the coolest section of the fridge where the temperature stays at 40 degrees Fahrenheit.

Tuna fish have high perishability. FDA advises avoiding letting tuna sit for more than 2 hours at room temperature. 

Fresh tuna is good for you. Tuna fish provides all the nutrients that seafood must provide. The presence of omega 3 Fatty acids boosts the immune system, heart health, and brain health. 

How long until canned tuna goes bad?

A sealed can of tuna stays edible for up to three years. After you open a can of tuna, it will last 3-4 days in the fridge while in the freezer it will last you 3-4 months.

Before opening, check that the can appears intact. Food such as tuna inside cans is pressure sealed and you should check if the can is rusted, dented, or leaking because a release means that the tuna has likely spoiled and is not safe to eat. 

To store canned tuna after opening, take it out of the can and keep it in an enclosed container in the fridge. 

How to tell if tuna has spoiled?

Tuna that has spoiled will change its characteristics; smell, texture, or color alters. An off-odor or a slimy texture is a good indicator of the condition of tuna. 

When tuna spoils, it will give off a strong, fishy odor or the tuna will have green or brown streaks. 

Seafood such as tuna fish is home to microorganisms that can cause food poisoning. It is advised to store tuna fish at low temperatures as room temperature can cause your meat to spoil prematurely. 

To stay on the safe side, examine your fish before you consume it. If the signs suggest that tuna has spoiled, throw it away. 

How to store and handle tuna fish?

Keep tuna in the fridge for as much time as possible. Put it in an air-tight container and place it in the cooler sections of the fridge. Raw and cooked tuna must be stored in the fridge at all times. 

Canned tuna needs to be placed in a cool and dry place such as your pantry or cupboard.

Leave your seafood in its original packaging until you are ready to consume them. If you open it up before you need to, you are only exposing the meat to environmental contaminants.

Do not thaw at room temperature or in the microwave unless you must consume it immediately.

The variables that account for the shelf-life of tuna fish are; its packaging and the state of the environment. To stay on the safe side, examine your fish before you consume it.

If you leave fresh tuna out of the fridge for longer than two hours, discard them promptly. Exposing seafood to temperatures between 40 F to 140 F encourages bacterial growth. If you leave tuna at a temperature greater than 90 Fahrenheit, the fish will become unsafe within an hour.

You can halt the bacterial growth that takes place on your protein once again, but you cannot reverse the toxic secretions of the bacteria that have been thriving on your tuna.

All kinds of seafood have a short shelf life due to their high water and nutritional content. 

Other FAQs about Tuna that you may be interested in.

Can you eat san marino corned tuna without cooking?

How long does fresh tuna last in the fridge? 

How long does canned tuna last in the fridge?

Can you cook ahi tuna all the way through?


In this brief guide, we answered the question, can tuna go bad in the fridge? We discussed how long tuna is until tuna goes bad in the fridge and how to store and make tuna last safe for long.