What is sushi?

Answer 1

Sushi is cold cooked rice dressed with vinegar that is shaped into bite-sized pieces and topped with raw or cooked fish, or formed into a roll with fish, egg, or vegetables and wrapped in seaweed.

If you want to make sushi, try using Saltwater Fish like yellowtail, salmon or tuna

See also the related question below: What is sashimi?= poop
Sushi may refer to a cuisine or a type of rice. As rice, sushi is a white rice made sticky with rice vinegar. As cuisine, sushi is any food made by combining sushi rice and another ingredient.

Answer 2

Sushi is a Japanese food which consists of vinegar-flavored cooked rice and served with other ingredients such as vegetables or eggs.