Seafood
Opened, light meat

Canned Tuna, openedShelf Life, Storage, and Spoilage Guide

Sourced from
USDA FoodSafety.govFDA

Pantry

Not Recommended

Unsafe

Once opened, canned tuna must be transferred to an airtight container and refrigerated immediately. Do not store at room temperature.

Refrigerator

3-4 days

Transfer opened canned tuna to a clean, airtight container (glass or plastic) before refrigerating. Do not store in the original can.

Freezer

2-3 months

Transfer opened canned tuna to a freezer-safe, airtight container or heavy-duty freezer bag. Label with the date.

Signs of Spoilage

  • Off-odor (sour, fishy, or putrid smell)
  • Slimy texture
  • Discoloration
  • Mold growth

Room Temperature Safety

2-hour rule (1 hour above 90°F/32°C)

40°F–140°F

Perishable foods, including opened canned tuna, should not be left at room temperature for more than 2 hours. If the ambient temperature is above 90°F (32°C), the limit is 1 hour.

Expert Tips

Safe Handling

1

Always transfer opened canned tuna to a clean, airtight container for refrigeration or freezing.

2

Do not store opened canned food in the can, as it may impart a metallic taste and can lead to foodborne illness if not properly handled.

3

Refrigerate promptly within 2 hours (1 hour if above 90°F/32°C).

Related Items

Comparisons

Canned Tuna, unopenedShelf-stable until opened.
Pantry
2-5 years
Fridge
Not applicable
Freezer
Not applicable
Cooked FishGeneral guidance for cooked fish.
Pantry
Unsafe
Fridge
3-4 days
Freezer
3-4 months
Canned Chicken, openedSimilar to opened canned tuna.
Pantry
Unsafe
Fridge
3-4 days
Freezer
2-3 months