Thai National Parks

Species of Thailand

Johor flying frog

Zhangixalus prominanus, Malcolm Arthur Smith, 1924

(In Thai: ปาดเขียวตีนแดง)

The Malayan flying frog (Zhangixalus prominanus) is a species of frog in the moss frog family (Rhacophoridae). It is found in Indonesia, Malaysia, and Thailand.

This is a largish flying frog, with females growing to a body length of up to 7.6 cm (about 3 in), and males reaching up to 6.2 cm in body length. It is generally jade green on the back and somewhat translucent when small, and a prominent red blotch on the webbing extends between the third and fifth hind toes.

Tadpoles are greyish green and have no markings. Towards metamorphosis, they become greener. They lose their tails when they are about 30–33 mm long, and freshly emergent juveniles measure about 15 mm. The labial tooth row formula (LTRF) is 5(2-5)/3 in small tadpoles and 6(2-6)/3 in older ones.

Its natural habitats are subtropical and tropical moist montane forests above 600 meters ASL, where it inhabits rivers, intermittent rivers, and intermittent freshwater marshes. It is not considered threatened by the IUCN, which classify it as a Species of Least Concern.

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Scientific classification

Zhangixalus prominanus

Common names

  • English:
    • Johor flying frog
    • Johore flying frog
    • Jade flying frog
    • Malayan flying frog
  • Thai: ปาดเขียวตีนแดง


  • Rhacophorus tunkui, Kiew Bong Heang (1987)
  • Rhacophorus prominanus, Malcolm Arthur Smith (1924)

Conservation status

Least Concern (IUCN3.1)

Least Concern (IUCN3.1)


No photo for this species yet

Range Map

Distribution map of Johor flying frog, Zhangixalus prominanus in Thailand
  • Betong District, Yala
  • Hala-Bala Wildlife Sanctuary
  • Khao Sok National Park
Range map of Zhangixalus prominanus in Thailand