anadromous
adjective
anad·ro·mous
ə-ˈna-drə-məs 
: ascending rivers from the sea for breeding
shad are anadromous
compare catadromous
Examples of anadromous in a Sentence
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The first Chinook salmon was seen moving up past where the Iron Gate dam had stood within a few weeks of that dam coming down, after a century of anadromous fish unable to migrate past that point up to the headwaters.
—
Erik Pedersen, Oc Register, 30 May 2025
Like sturgeon, these are anadromous fish that are born in the river, go out to sea, and return to the river to spawn.
—Dac Collins, Outdoor Life, 20 Feb. 2025
Work is proposed to be performed after July 4 to protect the anadromous fish spawning season, according to the Corps.
—Staff Report, Hartford Courant, 8 June 2024
The corporation is now overseeing the physical removal of the four Klamath River dams, which have blocked the passage of native anadromous fish, cutting off roughly 400 miles of spawning habitat for nearly a century.
—Dac Collins, Outdoor Life, 17 Jan. 2024
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Erik Pedersen, Oc Register, 30 May 2025
Like sturgeon, these are anadromous fish that are born in the river, go out to sea, and return to the river to spawn.
—Dac Collins, Outdoor Life, 20 Feb. 2025
Work is proposed to be performed after July 4 to protect the anadromous fish spawning season, according to the Corps.
—Staff Report, Hartford Courant, 8 June 2024
The corporation is now overseeing the physical removal of the four Klamath River dams, which have blocked the passage of native anadromous fish, cutting off roughly 400 miles of spawning habitat for nearly a century.
—Dac Collins, Outdoor Life, 17 Jan. 2024
See All Example Sentences for anadromous
Cite this Entry
“Anadromous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anadromous. Accessed 18 Jul. 2025.
Copy CitationKids Definition
anadromous
adjective
anad·ro·mous
ə-ˈnad-rə-məs
: traveling up rivers from the sea to breed
anadromous shad and salmon
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