Species of Thailand

Doi Chang spiny frog

Nanorana aenea, Malcolm Arthur Smith, 1922

(In Thai: กบดอยช้าง)

The Doi Chang Frog (Chaparana aenea) is a species of frog in the Ranidae family. Until Alain Dubois and Annemarie Ohler showed that Rana fansipani (alternative generic affiliations: Nanorana and Chaparana) is synonymous to Chaparana aenea, it was an endemic to Thailand, only known from one mountain north of Chiang Mai. After merger with R. fansipani, its distribution also covers Vietnam and China. Both species are rare and known from very few areas, but may turn out to be more widespread and common if looked after.

The generic affiliation of Chaparana aenea itself is disputed, with most sources currently using genus Nanorana, a practice also followed by IUCN.

Adult males of Doichang Frog are 65 - 77 mm in snout-vent length and have spines in several parts of their bodies, a male secondary sex characteristic. Its natural habitats are subtropical or tropical moist montane forests and rivers. It is potentially threatened by habitat loss, more so in Vietnam than in Thailand. At least Rana fansipani is believed to be eaten locally.

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Scientific classification

Kingdom
Animalia
Phylum
Chordata
Class
Amphibia
Order
Anura
Family
Dicroglossidae
Genus
Nanorana
Species
Nanorana aenea

Common names

  • English:
    • Doi Chang spiny frog
    • Doi Chang frog
  • Thai: กบดอยช้าง

Synonyms

  • Chaparana fansipani, René Léon Bourret (1939)
  • Rana fansipani, René Léon Bourret (1939)
  • Chaparana aenea, Malcolm Arthur Smith (1922)
  • Rana aenea, Malcolm Arthur Smith (1922)

Conservation status

Data Deficient (IUCN3.1)

Data Deficient (IUCN3.1)

Photos

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Nanorana aenea
Nanorana aenea

Range Map

Distribution map of Doi Chang spiny frog, Nanorana aenea in Thailand
  • Chiang Dao Wildlife Sanctuary
  • Doi Ang Khang
  • Doi Chang
  • Doi Inthanon National Park
  • Doi Phu Kha National Park
  • Huai Nam Dang National Park
Range map of Nanorana aenea in Thailand