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Cyclorana cryptotis

Hidden-ear frog

Conservation Status

EPBC:

Unlisted

IUCN:

Least Concern

Calling Period

Possible
Yes
Peak
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Description

A medium-sized species of frog reaching up to 4.5 cm in body length. It has a brown, grey or brown-orange back, with darker brown, green or orange patches and spots, and a thin cream-coloured, orange, or green longitudinal stripe along the middle. There is also a wider cream-coloured, orange, or green horizontal stripe behind the eyes. The belly is white, and the male has a grey throat. The pupil is nearly round and the iris is gold. The backs of the thighs are sometimes yellow with grey-brown markings. Fingers are unwebbed and toes are half webbed, both without discs.

Breeding Biology

Eggs are laid as clusters that sink in flooded roadside ditches, ponds, and swamps. Tadpoles can reach a total length of up to 6.5 cm, and are grey-gold in colour. They often swim at all depths of water bodies, and take around one month to develop into frogs. Breeds during summer in the wet season.

Similar Species

Looks similar to the many Cyclorana species in its distribution, but has a different back colour pattern and lacks a disinct tympanum.

Images

Photo: Stephen Mahony

Photo: Stephen Mahony

Calls

By: Paul Doughty

Distribution

Found in the Kimberley Region of WA, northern NT, and far northwestern QLD.

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