Table 1.

Sample information of S. marmoratus in the northwestern Pacific Ocean.

sample site	code	country	coordinates	sample size	collection date
Rushan, Yellow Sea	RS	China	36°43′ N, 121°39′ E	20	Oct 2015
Zhoushan, East China Sea	ZS	China	30°03′ N, 122°21′ E	20	Nov 2015
Xiamen, East China Sea	XM	China	24°22′ N, 118°13′ E	10	Mar 2016
Zhuhai, South China Sea	ZH	China	22°16′ N, 113°36′ E	10	Sep 2015
Fangchenggang, South China Sea	FCG	China	21°30′ N, 108°21′ E	20	Oct 2015
Niigata, Sea of Japan	NI	Japan	37°57′ N, 138°54′ E	10	Jul 2015
Kochi, Pacific Ocean	KO	Japan	33°27′ N, 133°34′ E	10	Sep 2012
Yokosuka, Pacific Ocean	YO	Japan	35°17′ N, 139°43′ E	10	Nov 2011
Tottori, Sea of Japan	TO	Japan	35°33′ N, 134°12′ E	10	Jun 2015
Iki Island, Sea of Japan	IK	Japan	33°47′ N, 129°38′ E	10	Sep 2012