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Lesueur's frog

Lesueur's frog
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Hylidae
Genus: Ranoidea
R. lesueuri
Binomial name
Ranoidea lesueuri
(Duméril & Bibron, 1841)
Distribution of the Lesueur's Frog

Lesueur's frog (Ranoidea lesueuri) is a species of ground-dwelling tree frog native to south-eastern Australia, from Sydney, New South Wales, to eastern Victoria.


The specific name, lesueuri, is in honor of French naturalist Charles Alexandre Lesueur.[1]


Lesueur's frog is a moderately large frog; females of this species reach 7 cm (2.8 in), while males reach about 4.5 cm (1.8 in). It ranges from pale to dark brown above, but males in the breeding season become bright yellow. Often, darker patches occur on the back. A dark stripe runs from the snout to the shoulder. The backs of the legs are blue with black spots, which helps distinguish this species from the very similar stony creek frog. The top half of the iris is pale and the bottom half dark. The toe discs are small and the belly is white.

Ecology and behaviour

Lesueur's frog spawn

Lesueur's frog is associated with rocky streams and creeks in coastal heath forests, montane areas, and rainforests. Males make a soft, purring call from beside creeks or from pools on the edges of streams during spring, summer, and autumn. Breeding occurs mostly after rain.

An average of about 1630 eggs are laid in single clump loosely attached to bedrock in streams. The eggs are normally laid in still pools of streams. Hatching occurs up to a week after laying. Tadpoles reach about 4.5 cm (1.8 in), and are golden brown. Metamorphosis occurs during summer and autumn, about 50–60 days after laying. Metamorph frogs are small, about 1.4 cm (0.6 in) and resemble the adult, but the dark stripe on the head is not very prominent.

In 2004, this species was divided into three separate species, with the stony creek frog north of Sydney and Ranoidea jungguy in northern Queensland.


  1. ^ Beoelens B, Watkins M, Grayson M. 2013. The Eponym Dictionary of Amphibians. Exeter, England: Pelagic Publishing Ltd. xiii + 262 pp. ISBN 978-1-907807-41-1. ("Lesueur", p. 124).

Further reading

  • Anstis, M. 2002. Tadpoles of South-eastern Australia. Reed New Holland: Sydney.
  • Robinson, M. 2002. A Field Guide to Frogs of Australia. Australian Museum/Reed New Holland: Sydney.
  • Frogs Australia Network
  • Frogs of Australia-frog call available here.
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Lesueur's frog
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