Glyphoglossus molossus Günther, 1869

Class: Amphibia > Order: Anura > Family: Microhylidae > Subfamily: Microhylinae > Genus: Glyphoglossus > Species: Glyphoglossus molossus

Glyphoglossus molossus Günther, 1869 "1868", Proc. Zool. Soc. London, 1868: 483. Holotype: BMNH, by original designation; given as BMNH 1868.4.3.102 by Parker, 1934, Monogr. Frogs Fam. Microhylidae: 73, now reregistered as 1947.2.10.75 according to museum records. Type locality: "Pegu" (= Bago), Myanmar; expanded to "Eastern Pegu .... within the tidal portion of the Irrawaddy Delta . . . [in] a hole that happened to be near the spot" by Mason, 1884, Burma, 1: 292.

Glyphoglossus (Glyphoglossus) molossusPoyarkov, Nguyen, Popov, Geissler, Pawangkhanant, Neang, Suwannapoom, and Orlov, 2021, Russ. J. Herpetol., 28 (3A): 39. 

English Names

Balloon Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 89).

Blunt-headed Burrowing Frog (Nutphund, 2001, Amph. Thailand: 155).

Truncate-snouted Burrowing Frog (Chan-ard, 2003, Photograph. Guide Amph. Thailand: 96).

Broad-lipped Frog (Nguyen, Ho, and Nguyen, 2005, Checklist Amph. Rept. Vietnam: 43).

Blunt-headed Balloon Frog (Poyarkov, Nguyen, Popov, Geissler, Pawangkhanant, Neang, Suwannapoom, and Orlov, 2021, Russ. J. Herpetol., 28 (3A): 39). 

Blunt-chinned Burrowing Frog (Zug, 2022, Smithson. Contrib. Zool., 653: 29).


North-central Myanmar (Ayeyarwady, Bago, Magway, Mandalay, Sagaing) through most of non-peninsular Thailand through Laos to southern Vietnam (southern Gia Lai Province to Mekong River) and Mondulkiri and Siem Reap, Cambodia, 200–600 m elevation.

Geographic Occurrence

Natural Resident: Cambodia, Laos, Myanmar, Thailand, Vietnam


See Bourret, 1942, Batr. Indochine: 493–495, and Taylor, 1962, Univ. Kansas Sci. Bull., 43: 576–578, for accounts. Orlov, Murphy, Ananjeva, Ryabov, and Ho, 2002, Russ. J. Herpetol., 9: 98, provided a statement of range for Vietnam. Nutphund, 2001, Amph. Thailand: 155, provided a brief characterization and photograph. Stuart, 1999, in Duckworth et al. (eds.), Wildlife in Lao PDR: 49, reported the species in Laos. Chan-ard, 2003, Photograph. Guide Amph. Thailand: 96–97, provided a very brief account, map for Thailand, and photograph. Teynié, David, Ohler, and Luanglath, 2004, Hamadryad, 29: 35, commented on its distribution in Laos. Nguyen, Ho, and Nguyen, 2005, Checklist Amph. Rept. Vietnam: 43, provided specific localities for Vietnam. Neang and Holden, 2008, Field Guide Amph. Cambodia: 58, provided a photograph, brief account of identification, ecology, and range in Cambodia. Pauwels, 2006, Herpetol. Rev., 37: 237–238, provided a record for Phetchaburi Province, Thailand, and discussed the range. Chan-ard, Cota, and Makchai, 2011, Amph. E. Region Thailand: 36–37, provided a brief account for eastern Thailand, a photograph and (p. 129), detailed the distribution in Thailand. Aran, Chuaynkern, Duangjai, and Chuaynkern, 2012, J. Wildlife Thailand, 19: 41–73, described larval morphology including the oral apparatus. Altig and Rowley, 2014, Zootaxa, 3811: 381–386, reported on larval morphology in Cambodia (Phnom Prich Wildlife Sanctuary, 35 km NNW of Sen Monorom, Mondulkiri, eastern Cambodia) and Vietnam.  See account, photograph, and map for Vietnam in Vassilieva, Galoyan, Poyarkov, and Geissler, 2016, Photograph. Field Guide Amph. Rept. Lowland S. Vietnam: 63–65. Manthey and Manthey, 2017, Sauria, Berlin, 39: 3–18, provided photographs of adults and larvae from near Pak Chong, Thailand. Do, Ngo, and Nguyen, 2017, Hue Univ. J. Sci: Nat. Sci., 126: 86, provided a record from Phu Yen Province, southern Vietnam, and commented on coloration, range, and ecology. See comments by Geissler, Hartmann, Ihlow, Neang, Seng, Wagner, and Böhme, 2019, Cambodian J. Nat. Hist., 2019: 40–63, on specimens collected in Phnom Kulen National Park, northern Cambodia. Niyomwan, Srisom, and Pawangkhanant, 2019, Field Guide Amph. Thailand: 206–207, provided a brief account (photographs, habitat, and range) for Thailand (in Thai). Makchai, Chuaynkern, Safoowong, Chuachat, and Cota, 2020, Amph. N. Thailand: 112–113, provided a brief account, photographs, and a range map for Thailand. Nguyen, Brakels, Maury, Sudavanh, Pawangkhanant, Idiiatullina, Lorphengsy, Inkhavilay, Suwannapoom, and Poyarkov, 2020, Amph. Rept. Conserv., 14 (2: e248): 218–249, discussed the range and provided a record from Salavanakhet Province, Laos. Zug, 2022, Smithson. Contrib. Zool., 653: 29, briefly discussed identification, habitat, and range in Myanmar.  

External links:

Please note: these links will take you to external websites not affiliated with the American Museum of Natural History. We are not responsible for their content.