Crossword clue: any of various large food and game fishes of northern waters; usually migrate from salt to fresh water to spawn

The most common answer is salmon (6 letters).

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

salmon 6 letters wn-def

any of various large food and game fishes of northern waters; usually migrate from salt to fresh water to spawn