Slideshow: 5 things your waiter won't tell you
1. The fish isn’t fresh on Monday
Credit: AFP/Getty Images
And that also means you might want to avoid the oysters and shellfish on Sunday as well. Chances are it came in on Friday. Ever wonder why so many sushi restaurants are closed on Mondays? About the only time you can overlook that rule is in seafood-focused restaurants, but only in coastal cities. (Photo credit should read NOEL CELIS/AFP/Getty Images)