ca·​tad·​ro·​mous | \ kə-ˈta-drə-məs How to pronounce catadromous (audio) \

Definition of catadromous

: living in fresh water and going to the sea to spawn catadromous eels — compare anadromous

Examples of catadromous in a Sentence

Recent Examples on the Web This was my Holy Grail—a catadromous, trout-like mullet that lives in the clear rivers that tumble from the mountains. T. Edward Nickens, Field & Stream, "A Puerto Rican Fishing Road Trip for Silver Kings, Bigmouths, Mullet, and More," 27 May 2020 As catadromous fish, European eels spend most of their adult lives in freshwater rivers, streams, and estuaries before returning to the open ocean to spawn and lay eggs. National Geographic, "European eel," 25 Mar. 2020

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

First Known Use of catadromous

1880, in the meaning defined above

History and Etymology for catadromous

probably from New Latin catadromus, from cata- + -dromus -dromous

Keep scrolling for more

Learn More about catadromous

Time Traveler for catadromous

Time Traveler

The first known use of catadromous was in 1880

See more words from the same year

Statistics for catadromous

Cite this Entry

“Catadromous.” Dictionary, Merriam-Webster, Accessed 4 Dec. 2020.

Comments on catadromous

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


Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
Spell It

Can you spell these 10 commonly misspelled words?

Syn City

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!