He was the central character of the tale with Umisachihiko in which the word 'sachi' (happiness) meant 'Yumiya and fishing rod and hook,' and the word 'Yama no sachi and Umi no sachi' came to show games of hunting and fishing in later ages.
「幸（さち）」が「弓矢・釣竿と釣り針」を示したり、狩りの獲物や漁の獲物を指す「山の幸・海の幸」を表す謂れとなる物語の海幸彦と並ぶ主人公である。