How Long Does Cooked Fish Last?
Any cooked fish including cod, tilapia, halibut, mahi-mahi, and other white fish.
The Short Answer
Cooked Fish lasts 3–4 days in the refrigerator when stored properly at 40°F or below. For longer storage, cooked fish can be frozen for 2–3 months while maintaining good quality. These times are based on USDA food safety guidelines and assume proper storage conditions.
Storage Times at a Glance
Source: USDA FoodKeeper | Last verified: March 19, 2026 | Our methodology
Fish is the most time-sensitive leftover protein. Plan to use it within 2-3 days. Fish tacos, fish cakes, or a quick chowder are great ways to use it up.
How to Store Cooked Fish
Store in an airtight container on the lowest shelf. Consume within 3 days for best flavor.
How to Tell if Cooked Fish Has Gone Bad
Look for these signs that cooked fish has spoiled: strong fishy smell, slimy surface, dull or grayish appearance.
The Professor's rule: When in doubt, throw it out. No meal is worth food poisoning.
The Bottom Line
Properly stored cooked fish stays safe for 3–4 days in the fridge. Always store in airtight containers, refrigerate within 2 hours of purchase or preparation, and trust your senses. If something looks, smells, or feels off, discard it regardless of how many days it has been. Freezing is always an option if you will not use it within the refrigerator window.
Frequently Asked Questions
Fish contains trimethylamine oxide, which bacteria convert to trimethylamine. This compound produces the classic fishy smell. Fresher fish has almost no odor.