Anadromous: adj. (word coming from the ancient Greek anadromos which means “upstream”). Anadromous is said of aquatic fish species that usually live at sea (sturgeons, salmons, shads) but go up streams, rivers, rivers, torrents to reproduce and lay their eggs.
Anadromy requires significant physiological and behavioral changes so that the organism adapts in turn to the marine environment and then to rivers and torrents....
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