Ssal is Short grain rice in Korea. Its scientific name is Oryza sativa ssp. Japonica Ssal is called also Sushi rice, Japanese rice, Japonica Uncooked short grain rice is called Ssal in Korean. It is also known as "Sushi rice" and is stickier than long grain rice, and can be found in many Asian grocery stores. It is very popular in Japan as well where it is called Uruchimai