Date Raw * 2 days after the “sell by” date * The day of or 1 day after the “use by” date Cooked * 5-6 days past the “sell by” date when stored in an airtight container Smell * A very potent fishy smell Texture Raw * A squishy or mushy texture when poked * A slimy, slippery film on the surface Color Raw * A milky-glossy color (may look blue or grayish) Raw salmon * The white “flake” lines disappear or turn grayish * White or dark discolorations. Raw crustaceans * Yellow, gritty, or discolored shells