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Cyclorana novaehollandiae

Wide-mouthed 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 large species of frog reaching up to 10 cm in body length. It has a grey or brown back, with dark brown mottling, and an indistinct longitudinal stripe along the middle. There is often a brown stripe from the tip of the snout to the arm. The belly is white. The pupil is horizontal and the iris is gold. The backs of the thighs are grey or pale blue. Fingers are unwebbed, and toes are one-third webbed, both without discs. The head and mouth are particularly large.

Breeding Biology

Eggs are laid as large clusters that sink in shallow areas of flooded ditches, creek pools, and dams. Tadpoles can reach a total length of up to 9.5 cm and are light brown or gold in colour. They are often found at all levels of water bodies, and take around one month to develop into frogs, although tadpoles in warmer areas may develop faster. Breeds during spring to summer after heavy rain.

Similar Species

Looks similar to the many Cyclorana species in its distribution, but is generally larger than all except Cyclorana australis, which has brown patterns on the back of the thighs not present in Cyclorana novaehollandiae .

Images

Photo: Stephen Mahony

Photo: Jodi Rowley

Photo: Jodi Rowley

Calls

By: Dave Stewart

Distribution

Found throughout QLD and a small area of northwestern NSW.

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