Saury.

1. Saury refers to the eel fish caught in autumn and is widely eaten in Japan. Since saury has a limited fishing season and is greatly affected by supply and demand, its price may be relatively expensive.

2. Knifefish (also called hairtail) is a common marine fish with a wide distribution. Knifefish usually adapts well to the environment, so the supply is relatively stable and the price is relatively approachable.