''Leptomantis angulirostris'', commonly known as the masked tree frog, is a member of the tree frog family
Rhacophoridae and is found in Indonesia and Malaysian
Borneo. Its natural
habitats are subtropical or tropical moist lowland
forests, subtropical or tropical moist
montane forests, and
rivers. It is threatened by
habitat loss.
Description
A relatively small
frog, males range in length from 31–33 mm and females from 45–51 mm. The head is wider than long. Snout pointed with sharp
canthus rostralis. Dilated finger and toe tips are characteristic. Webbing in feet almost complete, touching the toe pad on all digits except fourth. Webbing in hand partial with webbing reaching the second sub-articular tubercle on finger three. Skin smooth on dorsum, granulated on chest and venter. Variable in skin coloration but broadly ranges from pale grey-green to brown. Dark crossbars are common on dorsum near the vent and on legs. Sides of the body and inner surface of the legs are yellow with black blotches. Often, few fawn colored blotches are found on snout. Iris brown, often with a tinge of blue.
[Inger, Robert F and Stuebing, Robert B. A field guide to the frogs of Borneo. 2005. Natural History Publications, Borneo, Malaysia]
Distribution, natural history and ecology
This species is thought be found in
Sumatra
Sumatra is one of the Sunda Islands of western Indonesia. It is the largest island that is fully within Indonesian territory, as well as the sixth-largest island in the world at 473,481 km2 (182,812 mi.2), not including adjacent i ...
and
Malaysian
Borneo. However, the record from Sumatra warrants scrutiny.
It is commonly found in the
Crocker Range and Mt.
Kinabalu National Park
Kinabalu Park ( ms, Taman Kinabalu), established as one of the first national parks of Malaysia in 1964, is Malaysia's first World Heritage Site designated by UNESCO in December 2000 for its "outstanding universal values" and the role as one of ...
.
It is found in primary rainforests along rocky streams above 1000 m above sea level. Males vocalize perched on small saplings and trees overhanging streams. Tadpoles are known to live in shallow areas of stream underneath gravel.
References
{{Taxonbar, from=Q2702500
angulirostris
Amphibians described in 1927
Frogs of Asia
Amphibians of Indonesia
Amphibians of Malaysia
Taxonomy articles created by Polbot
Taxobox binomials not recognized by IUCN