They're not big migrators. This is their track: we deployed the tag off of Tokyo, and the Mola in one month kind of got into the Kuroshio Current off of Japan and foraged there.
それほど回遊しません　ここで示したように 東京から後を追ってみたところ 一か月後 黒潮に乗って 沖合いで食糧探しを始め