Can you still eat ribbon fish that has been frozen for a year?

Nov 10, 2025 Source: Cainiu Health
Dr. Yu Yongchao
Introduction
In general, whether frozen ribbon fish is still edible after one year depends on specific conditions such as the freezing environment and the condition of the fish. If in doubt, it is recommended to discard it to ensure safety. When freezing ribbon fish, use airtight storage bags or containers to prevent moisture loss and odor transfer. Store away from the refrigerator door to minimize temperature fluctuations. Thoroughly thaw before consumption.

Generally speaking, whether frozen ribbon fish can be consumed after one year of freezing depends on specific conditions such as the freezing environment and the condition of the fish. If in doubt, it is recommended to discard it to ensure safety. The detailed analysis is as follows:

If the ribbon fish has been consistently stored under stable low temperatures below -18°C during freezing, without repeated thawing and refreezing, and after thawing the flesh remains firm and elastic, with no unpleasant odor, discoloration or darkening, and the eyes are clear rather than cloudy, it is generally safe to eat. A consistently low temperature effectively inhibits microbial growth and slows down spoilage. As long as storage conditions meet standards, the fish can maintain good quality even after one year of freezing and can be safely consumed after thorough cooking.

However, if the storage temperature fluctuated during freezing, especially if the fish underwent repeated thawing and refreezing, or if after thawing the flesh is soft, easily crumbles when pressed, emits a fishy or sour smell, or shows signs of yellowing or stickiness, it should not be eaten. Repeated thawing promotes rapid microbial growth, leading to spoilage and the production of harmful substances, which may cause gastrointestinal discomfort or even harm health if consumed.

When freezing ribbon fish, use airtight freezer bags or containers to prevent moisture loss and odor transfer. Store the fish away from the refrigerator door to minimize temperature fluctuations. Fully thaw the fish before consumption, carefully inspect its condition, and only proceed to cook it thoroughly if no abnormalities are found.

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