… They swim leisurely in the surface or middle layers of the open ocean (depths ranging from several tens of meters to 200-300 meters), and sometimes even float horizontally on the surface. This is why they are called "ukigi" in the Tohoku region. Their English name, ocean sunfish, comes from this, but it has been discovered that they are in this state when they are injured or weak. … *Some of the terminology explanations that mention "Ukigi" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… 外洋の表層ないし中層(水深数十mから200~300mまで)をゆったり泳ぎ,ときに水面に横になって浮いていることもある。東北地方で〈ウキギ〉の名で呼ばれるのもこのためである。英名のocean sunfishもこれによるが,この状態は体が傷ついたか,体が弱っているときであるということがわかってきた。… ※「ウキギ」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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