The best substitute for canned tuna is a piece of grilled sushi grade tuna, the same size as 1/2 or 1 cup serving of canned tuna. (themilitarydiet.com)
I figured that if the recipe called for sushi grade fish, both my readers and I wouldn't make it as often. (cookincanuck.com)
Once a week, my dog gets to eat fresh sushi grade salmon when I buy it for myself, so I know that he loves salmon. (amazon.com)