Doichang frog

The Doichang frog (Nanorana aenea) is a species of frog in the family Dicroglossidae.^[2][3] It is only known from its type locality, Doi Chang, mountain north of Chiang Mai (Thailand), Fansipan mountain in northern Vietnam (type locality for the now-synonymized Rana fansipani), and Huanglianshan National Nature Reserve in Yunnan, China.^[2][4]

Doichang frog
Conservation status
Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Amphibia
Order:	Anura
Family:	Dicroglossidae
Genus:	Nanorana
Species:	N. aenea
Binomial name
Nanorana aenea (Smith, 1922)
Synonyms
Rana aenea Smith, 1922 Chaparana aenea (Smith, 1922) Rana fansipani Bourret, 1939 Chaparana fansipani (Bourret, 1939) Nanorana fansipani (Bourret, 1939)

Description

Adult males of Doichang frog are 65–77 mm (2.6–3.0 in) in snout-vent length and have spines in several parts of their bodies, a male secondary sex characteristic.^[4]

Habitat and conservation

Its natural habitats are subtropical or tropical moist montane forest and rivers. It is potentially threatened by habitat loss, more so in Vietnam^[5] than in Thailand.^[1] In Vietnam it is probably eaten locally.^[5]