Welcome Friends!

Top digital blog has been testing and reviewing digital tech and services since 2016. Our articles may include affiliate links; if you buy something through a link, we may earn a commission.

How Long Does Tuna Last in the Fridge?


Charles Robinson


When it comes to storing perishable food items like tuna, it’s essential to know how long they can be safely kept in the refrigerator. Tuna is a popular choice for many seafood lovers due to its delicious taste and numerous health benefits. However, improper storage can lead to spoilage and potential health risks. In this article, we will explore the shelf life of tuna in the fridge, factors that affect its freshness, and tips to maximize its longevity. So, let’s dive in and learn how to keep your tuna fresh and safe for consumption!

Factors Affecting the Shelf Life of Tuna

Several factors come into play when determining how long tuna can last in the fridge. These factors include:

1. Quality of the Tuna

The quality of the tuna you purchase plays a significant role in its shelf life. Freshly caught or high-quality tuna is more likely to last longer than lower-grade alternatives. When buying tuna, it’s crucial to ensure that it is fresh, firm, and has a mild oceanic scent. Opting for reputable suppliers or local fish markets can increase your chances of obtaining high-quality tuna.

2. Storage Temperature

Temperature is a crucial factor in preserving the freshness of tuna. The refrigerator is the ideal place to store tuna, as it provides a consistently cold environment. The recommended temperature for storing tuna is between 32°F (0°C) and 39°F (4°C). It’s essential to avoid fluctuations in temperature, as they can accelerate spoilage and decrease the shelf life of the fish.

3. Packaging and Handling

Proper packaging and handling of tuna are essential to maintain its freshness. Tuna should be stored in airtight containers or tightly sealed plastic bags to prevent exposure to air and moisture. This helps to minimize the growth of bacteria and extend the shelf life of the fish. Additionally, it’s crucial to handle tuna with clean hands and utensils to avoid introducing contaminants that could lead to spoilage.

Shelf Life of Tuna in the Fridge

how long does tuna last in the fridge

Now that we have discussed the factors that influence the shelf life of tuna let’s take a closer look at how long it can typically last in the fridge. The shelf life can vary depending on the freshness of the tuna and how well it is stored. Generally, fresh tuna can last in the refrigerator for approximately 2 to 3 days. However, by following proper storage practices, you can extend its shelf life and enjoy it for a bit longer.

Tips to Maximize the Shelf Life of Tuna

Shelf Life of Tuna

To maximize the shelf life of tuna and keep it fresh for a more extended period, consider the following tips:

1. Check the Date of Purchase

When buying tuna, always check the “sell-by” or “use-by” date on the packaging. Choosing tuna with a later date allows you to have more time to consume it before it begins to spoil.

2. Store Tuna Immediately

After purchasing tuna, it’s crucial to refrigerate it promptly. The longer it stays at room temperature, the greater the risk of bacterial growth and spoilage. As soon as you arrive home, place the tuna in the refrigerator to maintain its freshness.

3. Keep Tuna Well-Sealed

As mentioned earlier, proper packaging is vital to preserving the quality of tuna. Ensure that the tuna is tightly sealed in an airtight container or a sealed plastic bag. This prevents air and moisture from coming into contact with the fish, thus reducing the risk of spoilage.

4. Avoid Cross-Contamination

To prevent cross-contamination and potential foodborne illnesses, it’s essential to store tuna away from other food items in the refrigerator. Raw tuna should be kept separate from cooked foods and ready-to-eat items to avoid the transfer of bacteria.

5. Follow Your Senses

Your senses can provide valuable cues about the freshness of tuna. If you notice a foul smell, slimy texture, or discolored patches on the fish, it’s a clear indication that the tuna has gone bad and should be discarded immediately.

Tips to Maximize the Shelf Life of Tuna

1. Freezing Tuna

When it comes to extending the shelf life of tuna, freezing can be a convenient option. Freezing not only preserves the freshness but also allows you to store tuna for a longer period. However, it’s important to follow proper freezing techniques to maintain its quality.

To freeze tuna, begin by ensuring that the fish is fresh and properly cleaned. Cut the tuna into portions or leave it whole, depending on your preference. Wrap each piece tightly in plastic wrap, making sure to remove as much air as possible. Then, place the wrapped pieces in airtight freezer bags or containers and label; check out the best freezer containers HERE.

Tuna can be safely stored in the freezer for up to three months. However, for the best flavor and quality, it is recommended to consume frozen tuna within one to two months. When you’re ready to use the frozen tuna, thaw it in the refrigerator overnight or use the defrost setting on your microwave. Avoid thawing tuna at room temperature, as this can promote bacterial growth.

2. Proper Thawing Techniques

Thawing frozen tuna properly is crucial to maintain its texture and flavor. The best method to thaw tuna is to transfer it from the freezer to the refrigerator and allow it to thaw slowly. This gradual thawing process helps to retain the moisture and integrity of the fish.

If you’re short on time, you can use the defrost setting on your microwave. However, make sure to follow the manufacturer’s instructions and use the lowest power setting to prevent cooking the edges of the tuna.

It’s important to note that once tuna is thawed, it should not be refrozen. Plan your usage accordingly to avoid wastage and ensure the best quality of the fish.

3. Cooking Leftover Tuna

If you have leftover cooked tuna, it’s essential to store it properly to maintain its freshness and prevent foodborne illnesses. Follow these guidelines for storing and consuming leftover tuna:

  • Allow the cooked tuna to cool down to room temperature before storing.
  • Place the tuna in an airtight container or wrap it tightly with plastic wrap.
  • Refrigerate the cooked tuna within two hours of cooking.
  • Store the leftover tuna in the refrigerator for up to three days.

When reheating leftover tuna, make sure to heat it thoroughly until it reaches an internal temperature of 165°F (74°C) to eliminate any potential bacteria.


Properly storing tuna in the refrigerator can help maintain its freshness and maximize its shelf life. Factors such as the quality of the tuna, storage temperature, packaging, and handling play a crucial role in determining how long it can last in the fridge. By following the tips provided, including checking the date of purchase, storing tuna immediately, keeping it well-sealed, and avoiding cross-contamination, you can enjoy fresh and safe tuna for a longer period.

Additionally, freezing tuna and utilizing proper thawing techniques can be useful for extending its shelf life and preventing wastage. Remember to cook and consume leftover tuna within a few days to ensure its quality and minimize the risk of foodborne illnesses.

By applying these guidelines, you can confidently store tuna in your fridge, optimize its freshness, and savor its delicious taste in various culinary preparations.

In conclusion, the shelf life of tuna in the fridge typically ranges from 2 to 3 days. By considering factors such as the quality of the tuna, storage temperature, packaging, and handling, you can maximize its freshness and extend its shelf life. Remember to always check the date of purchase, store tuna immediately in the refrigerator, and keep it well-sealed to prevent spoilage. By following these tips, you can enjoy the delicious taste of fresh tuna while ensuring your health and safety.


  • Charles Robinson

    Charles is a 20 year bio technological expert with focus on digital transformation and biochemistry. Topdigitalblog is one of his several startups founded in 2010 aimed at providing information on emerging and interesting digital topics around the globe.