: any of an order (Dipnoi) of bony fishes that breathe by a modified swim bladder as well as gills
Illustration of lungfish
Example Sentences
Recent Examples on the WebSome present-day fish, like lungfish and bichirs, have lungs that evolved from swim bladders that help keep them afloat, per the statement. Margaret Osborne, Smithsonian Magazine, 16 Sep. 2022 Some, like the appropriately named lungfish, still use them to breathe air. Stephanie Pappas, Scientific American, 15 Sep. 2022 The International Union for Conservation of Nature’s Red List classifies Australian lungfish as endangered. Kayla Samoy, Chicago Tribune, 21 June 2022 Australian lungfish are one of the few fish species that can breathe both underwater via gills and in the air with lungs. Kayla Samoy, Chicago Tribune, 21 June 2022 Methuselah is a 4-foot-long, 40-pound Australian lungfish that was brought to the San Francisco museum in 1938 from Australia. Haven Daley, USA TODAY, 27 Jan. 2022 Methuselah is a 4-foot-long, 40-pound Australian lungfish that was brought to the San Francisco museum in 1938 from Australia. Haven Daley, USA TODAY, 27 Jan. 2022 Methuselah is a 4-foot-long, 40-pound Australian lungfish that was brought to the San Francisco museum in 1938 from Australia. Haven Daley, USA TODAY, 27 Jan. 2022 The first vertebrate animals to crawl onto land were relatives of the modern lungfish. David George Haskell, Wired, 8 Mar. 2022 See More