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Gracixalus quangi - Vulnerable

Updated: May 7, 2019


A photo of Gracixalus quangi.
Figure 1: Gracixalus quangi.

Common names:

  • Quang's Tree Frog [1].

Classification:

Kingdom - Animalia

Phylum - Chordata

Class - Amphibia

Order - Anura

Family - Rhacophoridae

Species -    Gracixalus quangi

Distribution:

A map of The extant and possibly extant distribution of Gracixalus quangi.
Figure 2: The extant and possibly extant distribution of Gracixalus quangi [1].

This species has been found in three locations, all of which are current or proposed protected areas no further than 10km from each other in Vietnam and Loas [1]. It is expected that the map above, of the protected area populations, is not the true extent of Gracixalus quangi's range, but they are yet to be found elsewhere [1]. This species is found between 600-1300m above sea level over an area of 5349km2 [1].

Details:


This species is found in dense, undisturbed montane forest with permanent or temporary freshwater ponds [1]. Breeding occurs from April to November, males gather in large groups to 'sing' for females [1]. Quang's Tree Frog is sexually dimorphic, with males being larger than females [2]. Their front limbs have finger-like protrusions with no webbing, the back legs are webbed [2]. These frog are a pale, almost see-though green colour with off-white/yellow and black spots [2]. Eggs are laid, up to 10 at a time, on vegetation over-hanging the shallow, muddy pools [1]. When the larvae hatch, they fall into the water to develop further [1]. Due to Gracixalus quangi's dependence on undisturbed habitat, their population is declining as the forests get more and more disturbed [1].

Threats to the species:

  • Urbanisation and development [1].

  • Agricultural encroachment [1].

  • Illegal logging [1].

  • Introduced species i.e. pets [1].


 

Similar species:


 


References:

[1] IUCN Red List. (2015). Quang’s Tree Frog, Gracixalus quangi . [ONLINE] Available at: https://www.iucnredlist.org/species/48101220/48101230. [Accessed 5 May 2019].

[2] AmphibiaWeb. (2013). Gracixalus quangi. [ONLINE]. Available at: https://amphibiaweb.org/cgi/amphib_query?where-genus=Gracixalus&where-species=quangi [Accessed 5 May 2019].

Photo: WWF Vietnam. (2010). WWF Vietnam. [ONLINE] Available at: http://www.flickr.com/photos/91162783@N02/8279940049/. [Accessed 5 May 2019].

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