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Calamaria concolor ORLOV, TRUONG, TAO, ANANJEVA & CUC, 2010

IUCN Red List - Calamaria concolor - Data Deficient, DD

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Higher TaxaColubridae, Calamariinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common Names 
SynonymCalamaria concolor ORLOV, TRUONG, TAO, ANANJEVA & CUC 2010
Calamaria concolor — WALLACH et al. 2014: 136
Calamaria concolor — LEE 2021 
DistributionVietnam (Thua Thien – Hue Province)

Type locality: Bach Ma Peak, Bach Ma National Park, on the Eco-tourist trail, Thua Thien – Hue Province, Vietnam (16°11’16.7’’ N 107°50’36.1’’ E; elevation 1400 m a.s.l.).  
Reproductionoviparous (not imputed, fide Zimin et al. 2022) 
TypesHolotype: IEBR A.2010.02 / ZISP 30185, adult male, collected in April 2009 by Tran Thieu Du (Figs. 1 and 2). 
DiagnosisDiagnosis: Small-sized, slightly dorso-ventrally flattened colubrid snake, total length 578 mm (SVL 536 mm, Lcd 42 mm); head relatively big, rounded, not distinguished from the neck, distinctly dorso-ventrally depressed, and covered with large regular symmetric shields; maxillary teeth eight, modified; eyes well developed, pupil round; loreals absent; preocular present; paraparietal surrounded by five shields and scales; supralabials five, second and third entering orbit; infralabials five; mental touching anterior chin shield on each side; small shield between mental and anterior chin shield; dorsal scales smooth, Sq1 — 13, Sq2 — 13, Sq3 — 13; anal plate single; tail thick, short, tapering gradually at base, abruptly tapering at tip to a obtuse point; dorsal scales reduce to four rows on tail opposite 19 subcaudals anterior to terminal scutum; body uniform brown above and cream below; small spots forming a diffuse, indistinct band on ventral side of tail.


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CommentHabitat: tropical rain forest. 
EtymologyThe specific epithet concolor derives from Latin meaning unicolor and it is given due to the uniform body coloration of the species. 
References
  • Lee, Justin L. 2021. Description of a new species of Southeast Asian reed snake from northern Laos (Squamata: Colubridae: Genus Calamaria F. Boie, 1827) with a revised diagnosis of Calamaria yunnanensis Chernov, 1962. Journal of Natural History, 55:9-10, 531-560, - 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
  • Orlov, Nikolai L.; Truong Quang Nguyen, Tao Thien Nguyen, Natalia B. Ananjeva, and Cuc Thu Ho 2010. A new species of the genus Calamaria (Squamata: Ophidia: Colubridae) from Thua Thien-Hue Province, Vietnam. Russ. J. Herpetol. 17 (3): - 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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