鲭鱼 (qīng yú) and 秋刀鱼 (qiū dāo yú) are both types of fish. 鲭鱼, also known as Pacific saury, is a popular fish in East Asian cuisine, especially in Japan where it is often grilled and served as a whole fish. 秋刀鱼, also known as sanma, is a seasonal fish in Japan that is commonly grilled or served as sashimi.
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