lung·​fish | \ ˈləŋ-ˌfish How to pronounce lungfish (audio) \

Definition of lungfish

: any of an order (Dipnoi) of bony fishes that breathe by a modified swim bladder as well as gills

Illustration of lungfish

Illustration of lungfish

Examples of lungfish in a Sentence

Recent Examples on the Web Elizabeth Smith, a paleontologist who has studied the opalized fossils of Lightning Ridge for decades, has seen it all: shark’s teeth, turtle bones, lungfish, pinecones, birds, marine reptiles, plus all sorts of dinosaur bones and teeth. Clare Watson, Smithsonian, "Scientists and Miners Team Up to Preserve Opalized Fossils," 1 Aug. 2019 Thank our wobbly planet for our seasons, which have led to remarkable adaptations in animals ranging from honeybees to lungfish. Gemma Tarlach, Discover Magazine, "20 Things You Didn't Know About Seasons," 16 Apr. 2019 There are striped bass, Australian lungfish, and other fish and turtles that were moved from Fells Point over a three-week period starting at the end of February. Lorraine Mirabella,, "National Aquarium opens new Animal Care and Rescue Center," 17 May 2018 Some have looked at coelacanths and sarcopterygians, or lungfish (the latter use their pelvic fins to move in a motion like walking). Lorraine Boissoneault, Smithsonian, "What a Walking Fish Can Teach Us About Human Evolution," 9 Feb. 2018 While turtles and crocodyliforms were familiar players, dinosaurs, lungfish, sharks, stingrays, and other animals called this prehistoric swamp home. Brian Switek, WIRED, "The Nutcracker Croc of Cretaceous Texas," 2 Mar. 2012

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

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First Known Use of lungfish

1883, in the meaning defined above

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Time Traveler for lungfish

Time Traveler

The first known use of lungfish was in 1883

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Statistics for lungfish

Cite this Entry

“Lungfish.” Dictionary, Merriam-Webster, Accessed 5 Jul. 2020.

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More Definitions for lungfish


lung·​fish | \ ˈləŋ-ˌfish How to pronounce lungfish (audio) \

Kids Definition of lungfish

: a fish that breathes with structures like lungs as well as with gills

More from Merriam-Webster on lungfish

Rhyming Dictionary: Words that rhyme with lungfish Encyclopedia article about lungfish

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