1. A large trout (Salmo clarkii) found in western North American waters that resembles the rainbow trout and is distinguished by red or orange markings on the lower jaw.

• 山鳟：一种原产于北美洲西部的河湖中的大型鳟鱼（山鳟），与虹鳟相象，但其有别于虹鳟的是它在下巴上有红色的或桔黄色的斑点