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Litoria spaldingi

Spalding's Rocket 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 large species of frog reaching up to 7 cm in body length. It has a brown, reddish-brown or dark grey back, sometimes with darker mottling. There is a dark brown stripe from the tip of the snout to the side. The belly is white and the male has a white or yellow throat, with brown flecks. The pupil is horizontal, and the iris is gold and brown in the upper half, with gold closest to the pupil, and dark brown in the lower half. Fingers are unwebbed and toes are fully webbed, both with small discs. Breeding males have yellow sides.

Breeding Biology

Eggs are laid as clusters that float on the surface of rock pools, flooded ditches, and floodplain swamps. Tadpoles can reach a total length of nearly 5.5 cm and are dark grey or gold-brown in colour. They often remain at the bottom of water bodies, and take around one and a half months to develop into frogs. Breeds during spring to summer in the wet season.

Similar Species

Most similar in appearance to Litoria watjulumensis, for which it was only recently split, but these two species do not overlap in distribution. Looks most similar to Litoria pallida, Litoria personata and Litoria tornieri in its distribution, but these species have a shorter stripe from the tip of the snout to the side, and Litoria personata is generally smaller. Also looks similar to Litoria nasuta, but lacks distinct brown longitudinal stripes near the middle of the back.

Images

Photo: Jodi Rowley

Photo: Jodi Rowley

Photo: Jodi Rowley

Calls

By: Dane Trembath

Distribution

Found from Litchfield National Park in the northwest of the NT to far north west QLD near the Gulf of Carpentaria.

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