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Uperoleia mjobergii

Mjoberg's Toadlet

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 small species of frog reaching up to 2.5 cm in body length. It has a brown back, with small brown-orange spots and distinct pairs of nearly symmetrical brown patches between the eyes, and on the middle and lower back. The belly is brownish-white, and the male has a dark throat. The under-surfaces of the arms and legs are purple-pink. The pupil is nearly round, and the iris is gold. The groin and the backs of the thighs are bright red. Fingers are unwebbed and toes are one-third webbed, both without discs. The parotoid glands and the glands near the groin can sometimes nearly join, creating a pale brown stripe along the sides.

Breeding Biology

Eggs are laid singly on vegetation under the surface of the water in ponds, ditches, and flooded grassland. Tadpoles can reach a total length of up to nearly 3 cm, and are gold-brown or grey-gold in colour. They often remain at the bottom of water bodies. It is unknown how long they take to develop into frogs. Breeds during summer and possibly autumn in the wet season.

Similar Species

Looks very similar to Uperoleia aspera, Uperoleia talpa, and Uperoleia stridera in its distribution, but all of these species lack the distinct pairs of nearly symmetrical brown patches between the eyes, and on the middle and lower back.

Images

Photo: Marion Anstis

Calls

By: Paul Doughty

By: Renee Catullo

Distribution

Found only in the Kimberley region in WA.

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