How long does salmon last?

Fatty fish such as salmon can be kept in the refrigerator for 1 - 3 Days or frozen for 2 - 3 Months.

FormWhereOfficial window
fatty fish (salmon)refrigerator1 - 3 Days
fatty fish (salmon)frozen2 - 3 Months
The official discard rule

The short time limits for home-refrigerated foods will help keep them from spoiling or becoming dangerous to eat.

These are the official windows; when in doubt, follow the source linked below.
Grounded in: foodsafety.gov, fsis.usda.gov. Every window above appears verbatim in the linked sources.
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