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Caviar Storage Caviar Storage Some caviar can be stored frozen for up to a year, and some others really should never be frozen at all, but should only be kept refrigerated. Caviar should be consumed on the same day that the tin is opened.
Just about all 26 species of sturgeon have been used for caviar. Caviar is judged on its color, flavor, texture and maturity. The finest, most expensive caviars are older, larger eggs that are lighter in color. Lower quality caviar is younger, with a less intensely fishy flavor, and darker in color. Itâs a good thing, too, for caviar newbies, who are more likely to start on the cheaper, milder stuff. Caviar lasts more than a day. Because itâs technically cured fish, caviar has a decent shelf-life, even after itâs opened.