꽁치
A fish similar to mackerel but smaller and thinner.
It is known as sanma (サンマ / 秋刀魚) in Japanese, qiu dao yu (秋刀魚) in Chinese, and saira (сайра) in Russian.
Source
Source: Korean Food Guide in English (Ed. The Korea Foundation, Cookand, 2003) ISBN: 89-89782-10-4