Certification & Core Plus Development Guides. The Guides were initially implemented on October 1, 2007. While changes to the certification standards are normally implemented on October 1, of any given year, other aspects of the guide, in particular the Core Plus component may be modified throughout the year.
Time. Fresh fish will only last in the refrigerator for one or two days, and shellfish will last up to three days. For longer periods of storage, you must freeze the fish or it will spoil. However, do not refreeze the fish once you have thawed it.
â¢Handle properly: When shopping, ask for your fish to be packed with a separate bag of crushed ice to keep it cold. Refrigerate whole fish up to two days; fillets and steaks one to two days. Place the fish in a plastic bag, then top with a zip-top plastic bag filled with ice. Thaw frozen fish in the refrigerator.To defrost safely and quickly in one to two hours, place the fish in a sealed plastic bag in a bowl of cold water, changing the water often.Handle properly: When shopping, ask for your fish to be packed with a separate bag of crushed ice to keep it cold. Refrigerate whole fish up to two days; fillets and steaks one to two days. Place the fish in a plastic bag, then top with a zip-top plastic bag filled with ice. Thaw frozen fish in the refrigerator.