Sushi is a traditional Japanese dish of prepared vinegared rice, usually with some sugar and salt, accompanied by a variety of ingredients, such as seafood, often raw, and vegetables. Styles of sushi and its presentation vary widely, but the one key ingredient is "sushi rice", also referred to as shari, or sumeshi. . Sushi is traditionally made with medium-grain white rice, though it can be prepared with brown rice or short-grain rice. It is very often prepared with seafood, such as squid , eel , yellowtail , salmon , tuna or imitation crab meat . Many types of sushi are vegetarian. Sushi is sometimes confused with sashimi , a related dish in Japanese cuisine that consists of thinly sliced raw fish or occasionally meat. Ingredients generally used : seafood and vegetables Main ingredients : vinegared rice Region or state : East Asia Origin : Japan