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Litoria rheocola

Common Mist Frog

Conservation Status

EPBC:

Endangered

IUCN:

Endangered

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 nearly 4.5 cm in body length. It has a grey, olive-grey or light brown back, with pale or dark brown mottling, and often a wide, longitudinal patch along the middle that starts between the eyes. The belly is white or pale pink. The pupil is horizontal and the iris is copper coloured. The male has small black nuptial spines on the thumbs that help to grip the female during mating. Fingers are one-third webbed and toes are nearly fully webbed, both with large discs.

Breeding Biology

Eggs are laid as a cluster attached under rocks in streams. Tadpoles can reach a total length of up to 5 cm, and are brown and gold, or black in colour, with gold or silver mottling. They use their very large mouth-parts to stick to rocks in order to avoid being swept away by flowing water. They often remain at the bottom of water bodies and it is unknown how long they take to develop into frogs. Breeds during spring to summer.

Similar Species

Looks similar to Litoria lorica, Litoria nannotis and Litoria nyakalensis in its distribution, but Litoria nyakalensis has larger black nuptial spines and a different call, while Litoria lorica and Litoria nannotis are more mottled and lack a wide, longitudinal patch in the middle of the back as present in Litoria rheocola.

Images

Photo: Jodi Rowley

Photo: Jodi Rowley

Photo: Stephen Mahony

Calls

By: Justin McMahon

By: Stephen Mahony

By: Keith McDonald

By: Justin McMahon

By: Wise Hok Wai Lum

Distribution

Formerly found throughout the Wet Tropics region of QLD, but has declined severely due to the amphibian chytrid fungus and is now only found at lower elevations within its former range.

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