I've found the same thing - if you are going to cook the fish, then the supermarket is usually fine, but I have found out the hard way that if you are going to make sushi or sashimi you will want to purchase sushi grade fish. Some supermarkets have it, but you may have to go to a specialty food store. It's pricey, but don't be scared, for 1-2 people you only need like 1/2 pound if that.



