Thai National Parks

Species of Thailand

Smith's spadefoot toad

Leptobrachium smithi, Masafumi Matsui, Jarujin Nabhitabhata & Somsak Panha, 1999

(In Thai: อึ่งกรายลายเลอะ)

Leptobrachium smithi (common name Smith's litter frog) is a species of frog found in Southeast Asia. Its specific name honours Malcolm Arthur Smith, one of the early herpetologists to study the amphibians of Thailand.


Leptobrachium smithi is a moderate-sized Leptobrachium, with males measuring 36 - 68 mm snout-vent length and females 50 - 78 mm SVL. They have a relatively big, depressed head with striking eyes with upper half of iris scarlet or yellow. Skin above is nearly smooth but with minute granules scattered behind, especially around vent; ventrally granular.


Its type locality is Ton Nam Plu Waterfall, Khao Chong, in Trang Province, southern Thailand. It is also known from adjacent southern Myanmar and from Laos. It may also occur in northeastern India and Bangladesh and in Peninsular Malaysia (Pulau Langkawi). Prior to its description, it was confused with Leptobrachium hasseltii and Leptobrachium pullum. Leptobrachium smithi is a locally common species that is found on the ground in evergreen forest in monsoon and rainforest climatic regions, as well as dense mixed deciduous forest. Tadpoles are found in deep sections of forest streams with little current.

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Scientific classification

Leptobrachium smithi

Common names

  • English:
    • Smith's spadefoot toad
    • Smith's litter frog
  • Thai: อึ่งกรายลายเลอะ

Conservation status

Least Concern (IUCN3.1)

Least Concern (IUCN3.1)


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Leptobrachium smithi - Phu Suan Sai National Park
Leptobrachium smithi - Kaeng Krachan National Park
Leptobrachium smithi - Kaeng Krachan National Park
Leptobrachium smithi - Kaeng Krachan National Park
Leptobrachium smithi (back) - Kaeng Krachan National Park
Leptobrachium smithi (yellow eyes) - Khlong Yan National Park
Leptobrachium smithi - Kui Buri National Park

Range Map

Distribution map of Smith's spadefoot toad, Leptobrachium smithi in Thailand
  • Chiang Dao Wildlife Sanctuary
  • Dan Sai District, Loei
  • Doi Inthanon National Park
  • Doi Saket District, Chiang Mai
  • Doi Suthep - Pui National Park
  • Erawan National Park
  • Hala-Bala Wildlife Sanctuary
  • Huai Kha Khaeng Wildlife Sanctuary
  • Huai Yang Waterfall National Park
  • Kaeng Krachan National Park
  • Khao Banthat Wildlife Sanctuary
  • Khao Chong
  • Khao Luang
  • Khao Luang National Park
  • Khao Nan National Park
  • Khao Phanom Bencha National Park
  • Khao Phra - Bang Khram Wildlife Sanctuary
  • Khao Sok National Park
  • Khlong Yan Wildlife Sanctuary (s/e)
  • Kui Buri District, Prachuap Khiri Khan
  • Kui Buri National Park
  • Mae Moei National Park
  • Na Haeo District, Loei
  • Nam Nao National Park
  • Phu Kradueng National Park
  • Phu Luang Wildlife Sanctuary
  • Phu Ruea National Park
  • Phu Suan Sai National Park
  • Phuket Province
  • Sai Yok National Park
  • Sangkhla Buri District, Kanchanaburi
  • Suan Phueng District, Ratchaburi
  • Taksin Maharat National Park
  • Thale Ban National Park
  • Thong Pha Phum National Park
  • Thung Yai Naresuan Wildlife Sanctuary
  • Ton Nga-Chang Wildlife Sanctuary
Range map of Leptobrachium smithi in Thailand