sea trout

noun3

1. •
   A fish of the species Salmo trutta morpha trutta, closely related to salmon and a subspecies of brown trout. It is lighter in colour than the brown trout, and lives in salt water, returning to fresh water only to spawn.
2. •
   (US) A weakfish (Cynoscion regalis).
3. •
   (Canada) Any member of the species Salvelinus alpinus.