Rhacophorus exechopygus Inger, Orlov, and Darevsky, 1999

Class: Amphibia > Order: Anura > Family: Rhacophoridae > Subfamily: Rhacophorinae > Genus: Rhacophorus > Species: Rhacophorus exechopygus

Rhacophorus exechopygus Inger, Orlov, and Darevsky, 1999, Fieldiana, Zool., N.S., 92: 35. Holotype: FMNH 252841, by original designation. Type locality: "Tram Lap, An Khe District, Gia-Lai Province, Vietnam".

Rhacophorus (Rhacophorus) exechopygus — Mahony, Kamei, Brown, and Chan, 2024, Vert. Zool., Senckenberg, 74: 253, by implication. 

English Names

Spinybottom Tree Frog (Bain and Nguyen, 2002, Herpetol. Rev., 33: 64).

Tramlap Flying Tree Frog (Nguyen, Ho, and Nguyen, 2005, Checklist Amph. Rept. Vietnam: 40).

Tay Nguyen Flying Treefrog (Poyarkov, Nguyen, Popov, Geissler, Pawangkhanant, Neang, Suwannapoom, and Orlov, 2021, Russ. J. Herpetol., 28 (3A): 60). 


Central Highlands of Vietnam in Gia Lai, Kon Tum, Thua Thien-Hue, Quang Binh, and Quang Nam provinces; adjacent Annamite Mountains of Laos, 800–1400 m elevation; likely into northeastern Cambodia.

Geographic Occurrence

Natural Resident: Laos, Vietnam

Likely/Controversially Present: Cambodia


Bain and Nguyen, 2002, Herpetol. Rev., 33: 64, provided the second locality for this species. Orlov, Murphy, Ananjeva, Ryabov, and Ho, 2002, Russ. J. Herpetol., 9: 97, provided the statement of range. Stuart, 1999, in Duckworth et al. (eds.), Wildlife in Lao PDR: 49, reported the species in Laos. Nguyen, Ho, and Nguyen, 2005, Checklist Amph. Rept. Vietnam: 40, provided specific localities for Vietnam. Bain, Nguyen, and Doan, 2007, Herpetol. Rev., 38: 111, provided records for Thua Thien-Hue Province, Vietnam, and briefly discussed the range. Orlov, Nguyen, and Ho, 2008, Russ. J. Herpetol., 15: 67–84, provided a photograph and a key to differentiate this species from others in Vietnam. See photograph, map, description of geographic range and habitat, and conservation status in Stuart, Hoffmann, Chanson, Cox, Berridge, Ramani, and Young, 2008, Threatened Amph. World: 539. Hendrix, Nguyen, Böhme, and Ziegler, 2008, Herpetol. Notes, 1: 23–31, provided a record from Quang Binh Province, central Vietnam. Nguyen, Matsui, Eto, and Orlov, 2014, Russ. J. Herpetol., 21: 274, suggested on the basis of 434 bp of mtDNA a close relationship with Rhacophorus annamensis

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