Thai National Parks

Amphibians of Thailand

Species of Thailand

Malacca horned toad

Thai: อึ่งกรายขายาว

Binomial name: Megophrys longipes, George Albert Boulenger, 1886

Xenophrys longipes is a species of amphibian in the family Megophryidae. Many different common names has been coined for: Malacca spadefoot toad, red legged spine-eyed frog, red-legged horn frog, or slender-legged horned frog). It is found in the Malay Peninsula (Peninsular Malaysia and southern Thailand and Burma). Records from Cambodia and Vietnam are considered doubtful.

Description

Male Xenophrys longipes grow to snout-vent length of 39 - 47 mm and females to 49 - 65 mm. The body is relatively slender, as are the long hind legs. The tympanum is distinct. The dorsal skin is smooth but there are small warts on the flanks. The supratympanic fold is distinct and there are two pairs of delicate, oblique folds that converge posteriorly on the scapular region. The ventral surface is smooth. The dorsum is olive brown. There are oblique vertical dark bars on the sides of the head and a large triangular dark marking between the eyes. The limbs have dark cross-bars. The ventrum is pale reddish brown marbled and spotted with dark brown.

Habitat and conservation

This species inhabits evergreen rainforests and montane moss forests. During the day they hide under rocks and logs, etc. The tadpoles live in streams.

Xenophrys longipes are uncommon even in prime habitat. They can be locally threatened by by habitat loss (forest clearance).

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Scientific classification

Kingdom
Animalia
Phylum
Chordata
Class
Amphibia
Order
Anura
Family
Megophryidae
Genus
Megophrys
Species
Megophrys longipes

Common names

  • English:
    • Malacca horned toad
    • Malacca spadefoot toad
    • Red legged spine-eyed frog
    • Red-legged horn frog
    • Slender-legged horned frog
    • Long-legged horned frog
  • Thai: อึ่งกรายขายาว

Synonyms

  • Megalophrys longipes, George Albert Boulenger (1886)
  • Megophrys longipes, George Albert Boulenger (1886)
  • Xenophrys longipes, George Albert Boulenger (1886)

Conservation status

Near Threatened (IUCN3.1)

Near Threatened (IUCN3.1)

Xenophrys longipes (adult)

Xenophrys longipes (adult)

Creative Commons Attribution-ShareAlike 4.0 International Thai National Parks

Xenophrys longipes (adult)

Xenophrys longipes (adult)

Creative Commons Attribution-ShareAlike 4.0 International Thai National Parks

Xenophrys longipes

Xenophrys longipes

Creative Commons Attribution-ShareAlike 4.0 International Thai National Parks

Range map of Megophrys longipes in Thailand

Important note; our range maps are based on limited data we have collected. The data is not necessarily accurate or complete.

Special thanks to Ton Smits, Parinya Pawangkhanant, Ian Dugdale and many others for their contribution for range data.

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