pupfish
noun
pup·fish
ˈpəp-ˌfish 
: any of several killifishes (especially genus Cyprinodon of the family Cyprinodontidae) especially of warm streams and springs of the western U.S.
Examples of pupfish in a Sentence
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Nearby is the Ash Meadows National Wildlife Refuge, which is home to critically endangered Amargosa toads and pupfish.
—
Taryn White, Travel + Leisure, 17 Jan. 2026
The hardy pupfish are capable of surviving harsh temperatures and severe water conditions that would kill most other fish species, but their population has declined primarily due to habitat loss.
—Shaun McKinnon, AZCentral.com, 4 Nov. 2025
The ersatz Devils Hole was constructed by the United States Fish and Wildlife Service, after the population of pupfish in the real pool dropped to a mere thirty-five individuals, in 2013.
—Elizabeth Kolbert, New Yorker, 9 Aug. 2025
The Devils Hole pupfish is trying to rebound after a natural disaster.
—Kelli Bender, People.com, 17 Apr. 2025
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Taryn White, Travel + Leisure, 17 Jan. 2026
The hardy pupfish are capable of surviving harsh temperatures and severe water conditions that would kill most other fish species, but their population has declined primarily due to habitat loss.
—Shaun McKinnon, AZCentral.com, 4 Nov. 2025
The ersatz Devils Hole was constructed by the United States Fish and Wildlife Service, after the population of pupfish in the real pool dropped to a mere thirty-five individuals, in 2013.
—Elizabeth Kolbert, New Yorker, 9 Aug. 2025
The Devils Hole pupfish is trying to rebound after a natural disaster.
—Kelli Bender, People.com, 17 Apr. 2025
See All Example Sentences for pupfish
Cite this Entry
“Pupfish.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pupfish. Accessed 3 Feb. 2026.
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