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Calamaria thanhi ZIEGLER & QUYET, 2005

IUCN Red List - Calamaria thanhi - Data Deficient, DD

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Higher TaxaColubridae, Calamariinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesG: Thanhs Zwergschlange
E: Thanh’s reed snake 
SynonymCalamaria thanhi ZIEGLER & QUYET 2005
Calamaria thanhi — NGUYEN et al. 2009
Calamaria thanhi — WALLACH et al. 2014: 142 
DistributionVietnam (Quang Binh province, Central Truong Son, Annamite mountain range)

Type locality: adjacent to Phong Nha - Ke Bang National Park, Dan Hoa Commune, Minh Hoa District, Quang Binh Province, Vietnam.  
TypesHolotype: ZFMK 82920, adult female, collected on 16 June 2003 by local people in a limestone cave of primary forest; 
CommentCalamaria thanhi is characterized by its dark, iridescent body with four yellowish to beige zigzag shaped bands, light dorsal markings on base and tip of tail, light venter, modified maxillary teeth, large size (455 mm total length), tail tapering gradually to a point, reduction to five dorsal scale rows on tail, 198 ventral scales, 21 divided subcaudals, four supralabials (second and third entering orbit), five infralabials, mental not touching anterior chin shields, three gular scales in midline between posterior chin shields and first ventral, rostral being
wider than high, paraparietal being surrounded by six shields and scales, and by the absence of a preocular scale.
The new taxon is known only from a single adult female specimen that was collected in a primary limestone forest cave.

Behavior: diurnal. 
EtymologyNamed after Vu Ngoc Thanh, Vietnamese zoologist. 
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Böhme, Wolfgang 2014. Herpetology in Bonn. Mertensiella 21. vi + 256 pp. - get paper here
  • David, P. & Vogel, G. 2010. Venomous Snakes of Europe, Northern, Central and Western Asia (TERRALOG 16) (English and German Edition). Edition Chimaira, Terralog 16, 160 pp. - get paper here
  • Nguyen, S.V., Ho, C.T. and Nguyen, T.Q. 2009. Herpetofauna of Vietnam. Chimaira, Frankfurt, 768 pp.
  • Orlov, Nikolai L. 2009. A New Species of the Genus Calamaria (Squamata: Ophidia: Colubridae) from the Central Highlands (Ngoc Linh Nature Reserve, Ngoc Linh Mountain, Kon Tum Province), Vietnam. Russ. J. Herpetol. 16 (2): 146-154 - get paper here
  • Poyarkov, Nikolay A.; Jr., Tan Van Nguyen, Nikolai L. Orlov, Gernot Vogel 2019. A New Species of the Genus Calamaria Boie, 1827 from the Highlands of the Langbian Plateau, Southern Vietnam (Squamata: Colubridae). Russ. J. Herpetol. 26 (6): 335-348 - get paper here
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp.
  • Werning, H. 2006. Neu beschriebene Reptilien und Amphibien aus Vietnam. Reptilia (Münster) 11 (57): 4-5 - get paper here
  • Ziegler, T.; Quyet, Le Khac 2005. A new species of reed snake, Calamaria (Squamata: Colubridae), from the Central Truong Son (Annamite mountain range), Vietnam. Zootaxa 1042: 27-38 - get paper here
  • Ziegler, Thomas; Annemarie Ohler; Vu Ngoc Thanh; Le Khac Quyet; Nguyen Xuan Thuan; Dinh Huy Tri & Bui Ngoc Thanh 2006. Review of the amphibian and reptile diversity of Phong Nha – Ke Bang National Park and adjacent areas, central Truong Son, Vietnam. Herpetologica Bonnensis II: 247-262 - get paper here
  • Ziegler, Thomas; Nguyen Van Sang, Nguyen Quang Truong 2008. A New Reed Snake of the Genus Calamaria Boie (Squamata: Colubridae) from Vietnam. Current Herpetology 27 (2): 71-80 [2009] - get paper here
  • ZIEGLER, THOMAS; RALF HENDRIX, VU NGOC THANH, MARTINA VOGT, BERNHARD FORSTER & DANG NGOC KIEN 2007. The diversity of a snake community in a karst forest ecosystem in the central Truong Son, Vietnam, with an identification key. Zootaxa 1493: 1-40 - get paper here
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