Ok so I want to start making sushi with raw fish and i have no idea where i would get some fish suitable for eating raw. Now there is this asian store called 99 Ranch and they have a lot of live fish, and deal whole fish. Now I looked in the precut pieces of salmon claiming it was sashimi grade, so i assume that's fine for eating raw. But i also researched that if you freeze fish for 7 days that it would kill everything and would be suitable for eat raw. is this true? like could i go to safeway and freeze a piece of salmon for a week or two and defrost it and eat it raw?
So main questions are.
Can i freeze fish and then eat it raw even if it isn't sushi grade?
Are all live fish sushi grade, once you cut it and prepared it?