Definition of diadromous
of a fish
: migratory between salt and fresh waters
Recent Examples of diadromous from the Web
Case in point is one diadromous fish: the blueback herring.
So far, two American shad, 80 alewife herring, 87 gizzard shad, 12 sea lamprey, 17 American eel, and 1 striped bass — all diadromous — were logged by the video camera that records everything swimming upstream at StanChem.
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First Known Use of diadromous
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