Recipes and Cooking Fish Recipes Fish Basics Store Fresh Fish This Way to Maximize Flavor There is a right way to keep fish fresh and flavorful. By Sheena Chihak, RD Sheena Chihak, RD Instagram Sheena Chihak is a registered dietitian, former food editor and current edit lead for BHG with over 15 years of writing and editing experience for both print and digital. Learn about BHG's Editorial Process Updated on October 6, 2022 Share Tweet Pin Email Swordfish. Sooner is better when it comes to cooking fish. When that's not possible, wrap fresh fish loosely in plastic wrap, store in the coldest part of the refrigerator, and use within 2 days. Cover and refrigerate any leftover cooked fish and use within 2 days. If you purchase frozen fish, keep it in a freezer set at 0 degrees F or lower for up to 3 months. If you cut your own fillets or steaks, put them in self-sealing freezer bags or wrap in moisture- and vaporproof wrap before freezing. Was this page helpful? Thanks for your feedback! Tell us why! Other Submit