Species of Thailand

Perak horned toad

Xenophrys aceras, George Albert Boulenger, 1903

(In Thai: อึ่งกรายหัวมน)

The Perak horned toad, also Perak spadefoot toad or Malayan horned frog (Xenophrys aceras) is a species of amphibian in the Megophryidae family found in Peninsular Malaysia and Thailand, and possibly in Indonesia. Its common name refers to its type locality, Bukit Besar in Perak state, Malaysia.

Description

Male Xenophrys aceras grow to snout-vent length of 48 - 57 mm and females to 67 - 86 mm. They have smooth back with scattered warts and low ridges and short dermal projections on top of the eyelids (the "horn"). The dorsal colour is variable from grey, brown to bright orange; they usually have a triangular mark between the eyes. Ventral side is brown.

Habitat

Its natural habitats are tropical moist lowland forests and moist montane forests. Tadpoles develop in forest streams. While it is a widespread species and classified by IUCN as of "Least Concern", it is potentially threatened by habitat loss.

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Scientific classification

Kingdom
Animalia
Phylum
Chordata
Class
Amphibia
Order
Anura
Family
Megophryidae
Genus
Xenophrys
Species
Xenophrys aceras

Common names

  • English:
    • Perak horned toad
    • Malayan horned frog
    • Perak spadefoot toad
  • Thai: อึ่งกรายหัวมน

Synonyms

  • Megophrys aceras, George Albert Boulenger (1903)
  • Megalophrys montana var. aceras, George Albert Boulenger (1903)

Conservation status

Least Concern (IUCN3.1)

Least Concern (IUCN3.1)

Photos

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Xenophrys aceras
Xenophrys aceras
Xenophrys aceras
Xenophrys aceras
Xenophrys aceras
Xenophrys cf. aceras
Xenophrys cf. aceras

Range Map

Distribution map of Perak horned toad, Xenophrys aceras in Thailand
  • Bang Lang National Park
  • Betong District, Yala
  • Hala-Bala Wildlife Sanctuary
  • Khao Banthat Wildlife Sanctuary
  • Khao Luang National Park
  • Khao Nan National Park
  • Thale Ban National Park
  • Yong Waterfall National Park
Range map of Xenophrys aceras in Thailand