anad·​ro·​mous | \ ə-ˈna-drə-məs How to pronounce anadromous (audio) \

Definition of anadromous

: ascending rivers from the sea for breeding shad are anadromous — compare catadromous

Examples of anadromous in a Sentence

Recent Examples on the Web This 250-mile-long nook in the Bering Sea is largely undeveloped—an area the size of Iceland, riddled with lakes, streams and wetlands that provide some of the planet’s best habitat for anadromous fish. Miranda Weiss, Wired, "In Alaska, Summer's Getting Too Hot for the Salmon Run," 13 June 2020 The landmark structures will be modified with different technologies that are designed to allow the anadromous fish — which spend most of their lives at sea but spawn in fresh water — to swim over or around them and continue their journey upstream. Jon Hurdle, New York Times, "In Delaware, Dams Are Being Removed to Spur Fish Migration," 25 Feb. 2020 Creeks and streams that hold anadromous fish require more permitting for development, but Alaska doesn’t have the resources to fully survey every small waterway, some of which are just a few feet wide. Alex Robinson, Outdoor Life, "The Tongass National Forest is a Wilderness on the Chopping Block," 16 Jan. 2020 Carskadon, a long-time salmon and steelhead angler who’s suffering along with many of us during the current downturn in anadromous fish fortunes, was stunned to learn about a recent vigorous spurt of sales for surf perch tackle. oregonlive, "Bill Monroe: Reflecting on four decades of smiles at the Pacific Northwest Sportsmen’s Show," 19 Jan. 2020 The paltry showing comes despite plenty of rain — about equal to the long-term average — which is usually a big help to anadromous fish. Peter Fimrite,, "Disappointing numbers for annual coho salmon run in western Marin County," 17 Jan. 2020 Why: The Salmon is Idaho’s top wild fishery for catching anadromous salmon and steelhead. Jordan Rodriguez, idahostatesman, "Hit the road for your next fishing adventure. You might catch something new. | Idaho Statesman," 7 Mar. 2018 But officials at the National Oceanic and Atmospheric Administration (NOAA), which oversees salmon and other anadromous fish that spend part of their lives in the ocean, denied the petition. Katie Langin, Science | AAAS, "Salmon spawn fierce debate over protecting endangered species, thanks to a single gene," 4 May 2018 The terrain is rough, access can be difficult and anadromous fish are notoriously tricky to hook. Jordan Rodriguez, idahostatesman, "Hit the road for your next fishing adventure. You might catch something new. | Idaho Statesman," 7 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'anadromous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of anadromous

circa 1753, in the meaning defined above

History and Etymology for anadromous

Greek anadromos running upward, from anadramein to run upward, from ana- + dramein to run — more at dromedary

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Time Traveler for anadromous

Time Traveler

The first known use of anadromous was circa 1753

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Cite this Entry

“Anadromous.” Dictionary, Merriam-Webster, Accessed 25 Sep. 2020.

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