What is confined to a fresh-water lake by reason of waterfalls or dams; -- said of fishes that would naturally seek the sea, after spawning; as, the landlocked salmon called?

landlocked — (Zoöl.) Confined to a fresh-water lake by reason of waterfalls or dams; -- said of fishes that would naturally seek the sea, after spawning; as, the landlocked salmon. (Webster's 1913.)

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