Pseudophilautus regius, known as Polonnaruwa shrub frog is a species of frogs in the family Rhacophoridae.
It is endemic to Sri Lanka.
Its natural habitats are subtropical or tropical dry shrubland, subtropical or tropical moist shrubland, and rural gardens. It is possibly threatened by habitat loss.
Description Pseudophilautus regius measures 18 to 22 mm for males. Its back is chocolate brown, darkening towards the rear of the body. Its flanks are brown to reddish-brown, bordered with white at the bottom. Its belly is white with dark brown pigmentationManamendra-Arachchi & Pethiyagoda, 2005 : The Sri Lankan shrub-frogs of the genus Philautus Gistel, 1848 (Ranidae: Rhacophorinae), with description of 27 new species. The Raffles Bulletin of Zoology, Supplement Series, No. 12, (texte intégral)..
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