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

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 This trend ultimately results in fewer spawning adults returning to their natal streams, causing escapement goals to be missed, and potentially fewer young fish to continue their anadromous lifecycle. Sam Cotten, Anchorage Daily News, "Why the state decided to shut down or restrict king salmon fishing in the Susitna River drainage," 14 Mar. 2018 The pipeline would cross streams for anadromous and resident fish species at 77 locations. Laine Welch, Anchorage Daily News, "Suggested catches of Pacific halibut decrease this year," 29 Jan. 2018 The Legacy Act presumes that all state waterways are anadromous, meaning paths for salmon returning from the ocean to spawn in their home streams. Laine Welch, Alaska Dispatch News, "Gearing up for National Seafood Month," 23 Sep. 2017 However, several tribes and Native NGOs in Bristol Bay oppose Pebble mine's plans to dump toxic fill in the headwaters of anadromous streams. Alaska Dispatch News, "Letters to the editor: Readers write, October 22, 2017," 22 Oct. 2017 The next minute, chaos hits as an anadromous monster goes berserk on the end of your line, with only a barbless hook point keeping it attached. Jordan Rodriguez, idahostatesman, "Looking for a new fishing thrill? Try your hand at one of these monsters," 16 Oct. 2017

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.

See More

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

Keep scrolling for more

Learn More about anadromous

Dictionary Entries near anadromous






Anadyr, Gulf of


Statistics for anadromous

Look-up Popularity

Time Traveler for anadromous

The first known use of anadromous was circa 1753

See more words from the same year

Comments on anadromous

What made you want to look up anadromous? Please tell us where you read or heard it (including the quote, if possible).


one from the Upper Peninsula of Michigan

Get Word of the Day daily email!

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
True or False

Test your knowledge - and maybe learn something along the way.


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!