anadromous(redirected from anadromously)
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Migrating up rivers from the sea to breed in fresh water. Used of fish.
[From Greek anadromos, running up : ana-, ana- + dromos, a running.]
(Zoology) (of fishes such as the salmon) migrating up rivers from the sea in order to breed. Compare catadromous
[C18: from Greek anadromos running upwards, from ana- + dromos a running]
a•nad•ro•mous(əˈnæd rə məs)
(of fish) migrating from salt water to spawn in fresh water, as salmon (disting. from catadromous).
Relating to fish that migrate up rivers from the sea to breed in fresh water. Salmon and shad are anadromous.
a term describing fish that migrate upriver to spawn.See also: Fish