Sea trout

… In foreign countries, Atlantic salmon ( Salmo salar ) are called salmon because they migrate to the sea, and brook trout ( S. trutta ) are called trout because they live in lakes all their lives. However, it has become clear that there are also sea trout and brook trout that migrate to the sea, and those that live mainly in lakes and rivers are called trout. In Japan, too, sockeye salmon and coho salmon have recently come to be called sockeye salmon and coho salmon, which are names appropriate to the salmon genus. …

*Some of the terminology that mentions "sea trout" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…　外国では，海へ下るものとしてAtlantic salmon(Salmo salar)をsalmon，一生を湖でくらすものとしてbrook trout(S.trutta)をtroutと呼びならわしてきた。しかし，sea troutなどのように，またbrook troutでも海へ下るものがいることが明らかになり，湖川を中心に生息するものをtroutと呼んでいる。日本でも，最近，ベニマス，ギンマスなどが，ベニザケ，ギンザケとサケ属にふさわしい名で呼ばれるようになった。…

※「sea trout」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