Hidden-ear frog

species of amphibian

The hidden-ear frog or earless water-holding frog (Ranoidea cryptotis) is a frog from Australia. It lives in the Kimberly region in the Ord and Fitzroy Valleys. It lives in Western Australia and small parts of Queensland and the Northern Territory.[2][3]

Hidden-ear frog
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Pelodryadidae
Genus: Ranoidea
R. cryptotis
Binomial name
Ranoidea cryptotis
(Péron, 1807)
Litoria cryptotis map-fr.svg
Where the hidden ear frog lives.
  • Cyclorana cryptotis Tyler, 1977
  • Litoria (Cyclorana) cryptotis Frost, Grant, Faivovich, Bain, Haas, Haddad, de Sá, Channing, Wilkinson, Donnellan, Raxworthy, Campbell, Blotto, Moler, Drewes, Nussbaum, Lynch, Green, and Wheeler, 2006
  • Dryopsophus cryptotis Duellman, Marion, and Hedges, 2016
  • Ranoidea cryptotis Dubois and Frétey, 2016[1]

The adult male frog is 3.4 to 4.6 cm long. The adult female frog is 3.6 to 4.8 cm long. This frog has a round body and a small head. It does not have any webbing on its front feet. This frog can be gray or brown. Adult frogs can have a mottled pattern. It has five stripes running across its body from the sides. They can be bright orange in color.[4]

This frog waits for wet weather before it lays eggs. It lays its eggs in pools of water. The water can be very hot, 40°C. It can be white and full of clay. The tadpoles can be 4.6 cm long. They have five rows of teeth, two on the top and three on the bottom. The tadpoles take about one month to become frogs.[2]


  1. "Ranoidea cryptotis (Tyler and Martin, 1977)". American Museum of Natural History. Retrieved August 26, 2020.
  2. 2.0 2.1 J.M. Hero (April 5, 2002). "Cyclorana cryptotis: Hidden-ear Frog". Amphibiaweb. Retrieved August 26, 2020. Invalid |display-authors=1 (help)
  3. Jean-Marc Hero; Paul Horner; Dale Roberts (2004). "Litoria cryptotis". The IUCN Red List of Threatened Species. p. e.T41069A10384050. doi:10.2305/IUCN.UK.2004.RLTS.T41069A10384050.en. Retrieved August 26, 2020.
  4. "Hidden-ear Frog: Cyclorana cryptotis Tyler & Martin 1977". Western Australia Museum. Retrieved August 26, 2020.