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Arenophryne rotunda

Northern Sandhill 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 medium-sized species of frog reaching up to 4 cm in body length. It has a white or grey back, with mostly black but some red patches and spots. There is often a thin, cream-coloured longitudinal stripe along the middle of the back. The belly is white, with a large dark patch in the middle. The pupil is horizontal and the iris is gold. Fingers and toes are unwebbed, both without discs. The fingers are very wide and short, and are used for digging head first into sand. This is very rare among Australian burrowing frogs as most burrow backwards so that their legs go under the surface first.

Breeding Biology

Eggs are laid on land as a single, small clutch underground in wet sandy burrows. There is no true tadpole stage; all development takes place inside the egg before little frogs emerge, a process that lasts around two months. Breeds during autumn before winter rains and during winter to spring.

Similar Species

Looks very similar to Arenophryne xiphorhyncha, but has a slightly different distribution and a lighter coloured back.

Images

Photo: David Nelson

Photo: David Nelson

Photo: David Nelson

Calls

By: Dale Roberts

Distribution

Found only along the coast of the Shark Bay region, in WA.

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