Officially, the terms "sashimi-grade" and "sushi-grade" mean precisely nothing. Yuji Haraguchi, owner of the Brooklyn-based Osakana, a fish shop specializing in sashimi, recalls using them for marketing purposes when he worked as a sales representative for wholesale fish distributor True World Foods. Back in 2004, the company was trying to expand its customer base beyond Japanese restaurants, and Haraguchi's mission was to convince other restaurants to serve their customers raw fish besides tuna.
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