Australian lungfish


Definition of Australian lungfish

: a large, olive green to dull brown lungfish (Neoceratodus forsteri synonym Ceratodus forsteri) of Australian rivers that attains a length of up to 5 feet (1.5 meters) An Australian lungfish is the world's oldest fish in an aquarium, at more than 80 years old. — Kate Lucas, Orange County Register (California), 5 July 2009 Australian lungfish can stay completely underwater because they take in lots of oxygen through their skin.— Hedda Nussbaum, Ranger Rick, November 1984

called also barramunda, Burnett salmon, Queensland lungfish, salmon

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

First Known Use of Australian lungfish

1901, in the meaning defined above

Keep scrolling for more

Learn More about Australian lungfish

Statistics for Australian lungfish

Look-up Popularity

Time Traveler for Australian lungfish

The first known use of Australian lungfish was in 1901

See more words from the same year

Comments on Australian lungfish

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


concealment of treason or felony

Get Word of the Day daily email!

Test Your Vocabulary

The Exceptions Quiz III

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!


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!