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Macrocalamus vogeli DAVID & PAUWELS, 2005

IUCN Red List - Macrocalamus vogeli - Least Concern, LC

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Higher TaxaColubridae, Calamariinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesE: Vogels’ Reed Snake 
SynonymMacrocalamus vogeli DAVID & PAUWELS 2005
Macrocalamus vogeli — WALLACH et al. 2014: 418
Macrocalamus vogeli — QUAH et al. 2019 
DistributionWest Malaysia (Pahang)

Type locality: “Camp Padang, Gunong Tahan, Pahang, Malaya, elevation 5.400-5.700 ft”, Gunung, Tahan, Pahang, West Malaysia, Malaysia.  
TypesHolotype: BMNH 1968.764 
DiagnosisDiagnosis. Macrocalamus vogeli is characterized by (1) a broad dark ventrolateral stripe on each side, bordered dorsally by a narrower yellow stripe; (2) a broad oblique yellow strike behind the head, followed by two narrow, faint oblique lines on the body; (3) small, yellow, dark-edged ocelli on anterior part of the body; (4) a yellow venter heavily powdered with brownish-black dots; and (5) a median stripe below the tail. This species has both a single dark ventrolateral stripe and a yellow venter that is heavily speckled with black. Macrocalamus vogeli differs from Macrocalamus lateralis by (1) the presence of a loreal scale, (2) the dorsal pattern, with much reduced ocelli, no light dorsolateral stripe and a single dark ventrolateral stripe, (3) the color of the venter, and (4) by higher numbers of ventral and subcaudal scales. The new species differs from Macrocalamus chanardi by (1) the color and pattern of the venter, yellow and heavily speckled vs. red or orange and uniform in M. chanardi, and (2) the dorsal pattern with reduced ocelli (large in M. chanardi), and (3) a much higher number of ventral scales, with 125 in the holotype vs. 104-114 in Macrocalamus chanardi.
Lastly, Macrocalamus vogeli is distinguished from M. schulzi by the (1) the presence of a ventrolateral stripe (absent in M. schulzi) and (2) the pattern of the venter (uniform in M. schulzi, vs. strongly speckled in M. vogeli.) Scalation characters are otherwise rather similar.

Diagnosis: Only known adult male is 163 mm SVL, 192 mm TL. Head triangular, flat, tapered anteriorly when viewed dorsally, not depressed anteriorly, indistinct from neck; snout rounded, elongate; body cylindrical, moderately elongate; tail relatively long, ending in a sharp spine; rostral longer than broad, triangular, separates nasals and touching prefrontals; nostril piercing the anterior lower margin of the nasal, adjacent to the upper margin of the first supralabial and to edge of rostral; internasals absent, fused with prefrontals; one pair of prefrontals; one elongate loreal; one preocular; one postocular; one supraocular; suboculars absent; 1 + 2 temporals; eight supralabials, first and second in contact with nasal, second, third and fourth in contact with the loreal, fourth and fifth entering orbit; seven infralabials, first pair in contact, first to fourth in contact with anterior chin shield; 15 dorsal scale rows at midbody; dorsal scales smooth; 125 ventral scales; single cloacal scale; 29 divided subcaudals (David & Pauwels, 2004, Quah et al. 2019). 
EtymologyNamed after Dr. Gernot Vogel (Society for Southeast Asian Herpetology, Heidelberg), for his contributions to the taxonomy of the genus Macrocalamus and to the herpetology of Southeast Asia in general. 
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • David, P. & Pauwels, O.S.G. 2004. A re-evaluation of the taxonomy of Macrocalamus lateralis Günther, 1864 (Serpentes: Colubridae), with the descriptions of two new species. Raffl. Bull. Zool., 52(2): 635-645 - get paper here
  • Quah, Evan S H; Shahrul Anuar, Lee L Grismer, Perry L Wood, Siti Azizah Mohd Nor 2019. Systematics and natural history of mountain reed snakes (genus Macrocalamus; Calamariinae). Zoological Journal of the Linnean Society, zlz092, - 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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