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Calamaria sangi NGUYEN, KOCH & ZIEGLER, 2009

IUCN Red List - Calamaria sangi - Data Deficient, DD

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Higher TaxaColubridae, Calamariinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Sang's reed snake
Vietnamese: Ran mai gam sang
French: Calamaire de Sang
German: Sangs Zwergschlange 
SynonymCalamaria sangi NGUYEN, KOCH & ZIEGLER 2009
Calamaria sangi — WALLACH et al. 2014: 141 
DistributionVietnam (Kon Tum)

Type locality: Mang Canh Commune (14°41.950'N, 108°14.642'E), Kon Plong District, Kon Tum Province, Vietnam; 1,200 m elevation.  
Reproductionoviparous (not imputed, fide Zimin et al. 2022) 
TypesHolotype: IEBR 360, an adult specimen (unknown gender) collected on 12 January 2001 by Nguyen Quang Truong and Andrei Kuznetsov. 
DiagnosisDiagnosis: Calamaria sangi sp. nov. is distinguishable from congeneric species by having a combination of the following characters: 1) rostral wider than high; 2) paraparietal surrounded by five to six shields and scales; 3) eye diameter larger than eye-mouth distance; 4) preocular present; 5) four supralabials, second and third entering orbit; 6) maxillary teeth nine, modified; 7) infralabials four to five, first three touching anterior chin shields; 8) mental touching anterior chin shields; 9) ventrals 2 + 190; subcaudal scales 19, divided; 10) anal plate single; 11) tail relatively short (6.2% ofthe total length), as thick as body, not distinctly tapering, and ending in obtuse point; 12) dorsum greyish-brown, with fine dark mottling; 13) venter cream, with dark transverse bands and a dark longitudinal stripe below tail.
 
Comment 
References
  • 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
  • Liang, Y. T., Huang, Z. D., Ding, L., Vogel, G., Ananjeva, N. B., Orlov, N. L., ... & Chen, Z. N. 2024. Revalidated after having been described more than a century ago: Calamaria berezowskii Günther, 1896 (Squamata, Colubridae) from Sichuan, Southwestern China. Zoosystematics and Evolution, 100(3): 897-911 - get paper here
  • Nguyen, Truong Q.; Koch, A. & Ziegler, T. 2009. A new species of reed snake, Calamaria Boie, 1827 (Squamata: Colubridae), from central Vietnam. Hamadryad 34 (1): 1-8 - 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.
  • Zimin, A., Zimin, S. V., Shine, R., Avila, L., Bauer, A., Böhm, M., Brown, R., Barki, G., de Oliveira Caetano, G. H., Castro Herrera, F., Chapple, D. G., Chirio, L., Colli, G. R., Doan, T. M., Glaw, F., Grismer, L. L., Itescu, Y., Kraus, F., LeBreton 2022. A global analysis of viviparity in squamates highlights its prevalence in cold climates. Global Ecology and Biogeography, 00, 1–16 - get paper here
 
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