mud·​pup·​py ˈməd-ˌpə-pē How to pronounce mudpuppy (audio)
variants or less commonly mud puppy
: a large North American salamander (Necturus maculosus) that has external gills and is gray to rusty brown usually with bluish-black spots

Illustration of mudpuppy

Illustration of mudpuppy

Example Sentences

Recent Examples on the Web Avoid touching the mudpuppy too much as their amphibian skin is sensitive and permeable. Ridah Syed, Journal Sentinel, 13 Dec. 2022 Dams on the river have also flooded out at least two of the streams where the mudpuppy was once found. Dennis Pillion |, al, 25 Oct. 2019 The waterdog, also called the Alabama mudpuppy, is found only in a handful of tributaries to the Black Warrior River in Alabama, in the heart of the state’s coal country. Dennis Pillion |, al, 25 Oct. 2019 The mudpuppy is Michigan’s largest salamander, reaching lengths up to 15 inches. Michigan Wildlife Council, Detroit Free Press, 10 July 2018 Some people have confused it with a mudpuppy, but those amphibians have four legs, not two. Justin L. Mack, Indianapolis Star, 18 June 2018

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'mudpuppy.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1877, in the meaning defined above

Time Traveler
The first known use of mudpuppy was in 1877

Dictionary Entries Near mudpuppy

Cite this Entry

“Mudpuppy.” Dictionary, Merriam-Webster, Accessed 8 Jun. 2023.

Kids Definition

mud puppy

: a large North American salamander that has gills on the outside and is gray to rusty brown usually with bluish black spots
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