How long does cooked mackeral keep in the fridge?

Cooked mackerel can be stored in the fridge for 3 to 4 days when kept in an airtight container. It's important to refrigerate it within two hours of cooking to ensure food safety. Always check for any signs of spoilage, such as off odors or changes in texture, before consuming. If you're unsure, it's best to err on the side of caution and discard it.