Collocations for trout - noun

fresh
smoked
wild
farmed
lake, river (esp. BrE), sea

fish for
tickle (BrE)
catch, hook, land (esp. BrE)
He hooked several trout from the stream.

spawn
The trout spawn in late summer or autumn.

fishing
farm, fishery
stream
population, stocks
the collapse of sea trout stocks