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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)
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 devel- oped, pupil round; loreals absent; preocular present; pa- raparietal surrounded by five shields and scales; supra- labials 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, indis- tinct band on ventral side of tail. 
CommentHabitat: tropical rain forest.

The new species is characterized by the following characters: total length 578 mm; tail length 42 mm, tail tip thick, obtusely rounded, and slightly flattened laterally; maxillary teeth eight, modified; loreals absent; preocular present; supralabials 5/5, second and third entering orbit; infralabials 5/5; paraparietal surrounded by five shields; midbody scales in 13 rows, reducing to 11 rows at the level of single anal plate; ventrals 3 + 209; subcaudals 19, divided; body uniform light brown above and without color pattern; belly cream. 
EtymologyThe specific epithet concolor derives from Latin meaning unicolor and it is given due to the uniform body coloration of the species. 
  • 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
  • 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.
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