Haswell's frog

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Haswell's frog
Paracrinia haswelli.jpg
Mature Haswell's Froglet
Haswell's Frog - Paracrinia haswelli tadpole.jpg
Tadpole stage of Haswell's frog
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Myobatrachidae
Genus: Paracrinia
Heyer & Liem, 1976
Species: P. haswelli
Binomial name
Paracrinia haswelli
Fletcher, 1894
Paracrinia distribution.png
Distribution of the Haswell's Froglet

The Haswell's frog (Paracrinia haswelli) is a small ground frog found around coastal swamps in eastern Australia from around Port Macquarie, New South Wales to the Mornington Peninsula in Victoria. It is the only member of the genus Paracrinia.


The ventral surface of Paracrinia haswelli

This species of frog reaches 30 mm in length. This frog varies from light grey brown, pale brown to red-brown above with some darker flecks. There is normally a faint mid-dorsal stripe running down the back. There is also a dark band running from the back of the eye to the shoulder. The top half of the iris is silver. The thighs are red in colour, which gives it another name, the red-groined froglet. The ventral surface of this species is light brown with white patches.

Ecology and behaviour[edit]

This species is associated with coastal swamps, particularly in wallum swampland and heathland. This species also inhabits dams, ponds and ditches in sclerophyll forest and woodland.

Males make an "annk" call from water or on land during most of the year, but most often after rain in autumn and winter. Eggs are laid in water attached to sticks and leaves. The tadpole of this species has very deeply arched tail fins. Metamorphosis occurs during spring and autumn after a tadpole life span of about 100 days. Metamorph frogs measure 13mm and resemble the adult, however the thigh red colouration is not yet fully developed.


  • Frogs Australia Network-frog call available here.
  • Frogs of Australia
  • 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.

External links[edit]