anadromous

American  

[uh-nad-ruh-muhs] / əˈnæd rə məs /

adjective

1. (of fish) migrating from salt water to spawn in fresh water, as salmon of the genera Salmo and Oncorhynchus (catadromous ).

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anadromous British  

/ əˈnædrəməs /

adjective

1. (of fishes such as the salmon) migrating up rivers from the sea in order to breed Compare catadromous

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anadromous Scientific  

/ ə-năd′rə-məs /

1. Relating to fish, such as salmon or shad, that migrate up rivers from the sea to breed in fresh water.

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Etymology

Origin of anadromous

First recorded in 1745–55, anadromous is from the Greek word anádromos running upward. See ana-, -drome, -ous

Example Sentences

Salmon are anadromous, meaning they spend much of their lives in the ocean but return to freshwater rivers to spawn.

From BBC

Well, yes, but that is NOT true for the Walla Walla and Yakima River basins, where vineyards are irrigated at the expense of native and anadromous fisheries.

From Seattle Times

“These would represent extraordinary and unprecedented levels of anadromous fish habitat losses and degradation, dramatically expanding the unacceptable adverse effects identified in the 2020 plan,” the document stated.

From Seattle Times

If our recent bout of record-breaking rain has you down, then you’re probably not an anadromous fish.

From Seattle Times

“Opening up the channels downstream to support the return of anadromous fish needs to be a top priority for all sectors of Washington,” he says.

From Seattle Times