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Macrocalamus lateralis GÜNTHER, 1864

IUCN Red List - Macrocalamus lateralis - Least Concern, LC
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Higher TaxaColubridae, Calamariinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Side-blotched Reed Snake, Malayan Mountain Reed Snake, Striped Reedsnake
G: Gestreifte Riednatter 
SynonymMacrocalamus lateralis GÜNTHER 1864: 199
Macrocalamus lateralis — SMEDLEY 1931: 50
Macrocalamus lateralis — LIM 1963
Macrocalamus lateralis — MANTHEY & GROSSMANN 1997: 365
Macrocalamus lateralis — COX et al. 1998: 37
Macrocalamus lateralis — VOGEL & DAVID 1999
Macrocalamus lateralis — WALLACH et al. 2014: 417 
DistributionWest Malaysia (Pahang: Cameron Highlands, Bukit Fraser = Fraser's Hill; Perak: Bukit Larut = Maxwell's Hill), Thailand

Type locality: "From the continent", restricted to Cameron Highlands, Pahang, Malaysia, by LIM (1963). Specified to the mainland part of the State of Penang by David & Pauwels (2004).  
Reproductionoviparous 
TypesHolotype: BMNH 1946.1.7.23 
DiagnosisDiagnosis: Macrocalamus lateralis is characterized by the combination of (1) a red, pink or orange venter in life; (2) the presence on each side of a pair of wide, dark brown, ventrolateral stripes separated by a narrow pale yellow or pale brown line; (3) a dorsal colour relatively light (in alcohol), pale brown or yellowish-brown, with on each side of the back, at least on the anterior part of body, a dorsolateral row of pale brown, dark-edged ocelli; (4) a ratio TaL/TL lower than 0.12 in males.
Macrocalamus lateralis differs from Macrocalamus schulzi by (1) the absence of a loreal scale, (2) the color of the venter (pink or red vs. bright yellow in life in M. schulzi), (3) the dorsolateral ocelli (absent in M. schulzi) and (4) morphological characters listed in Tables 3, 4. From Macrocalamus chanardi, M. lateralis is distinguished by a combination of six characters listed above under the account of M. chanardi.


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CommentThe original description is available online (see link below).

Type species: Macrocalamus lateralis GÜNTHER 1864: 199 is the type species of the genus Macrocalamus GÜNTHER 1864.

Key: Quah et al. 2019 provide a key to the species of Macrocalamus. 
References
  • Boo Liat, Lim 1963. Macrocalamus tweediei, a new species of Reed Snake from Malaya. Bull. Nat. Mus. Singapore 32: 99 - 102
  • Boulenger, George A. 1894. Catalogue of the snakes in the British Museum (Natural History). Volume II., Containing the Conclusion of the Colubridæ Aglyphæ. British Mus. (Nat. Hist.), London, xi, 382 pp. - get paper here
  • Chan-ard, T., Parr, J.W.K. & Nabhitabhata, J. 2015. A field guide to the reptiles of Thailand. Oxford University Press, NY, 352 pp. [see book reviews by Pauwels & Grismer 2015 and Hikida 2015 for corrections] - get paper here
  • Chan-ard,T.; Grossmann,W.; Gumprecht,A. & Schulz,K. D. 1999. Amphibians and reptiles of peninsular Malaysia and Thailand - an illustrated checklist [bilingual English and German]. Bushmaster Publications, Würselen, Gemany, 240 pp. [book review in Russ. J Herp. 7: 87] - get paper here
  • Cox, Merel J.; Van Dijk, Peter Paul; Jarujin Nabhitabhata & Thirakhupt,Kumthorn 1998. A Photographic Guide to Snakes and Other Reptiles of Peninsular Malaysia, Singapore and Thailand. Ralph Curtis Publishing, 144 pp.
  • 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
  • Günther, A. 1864. The Reptiles of British India. London (Taylor & Francis), xxvii + 452 pp. - get paper here
  • Manthey, U. & Grossmann, W. 1997. Amphibien & Reptilien Südostasiens. Natur und Tier Verlag (Münster), 512 pp. - 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, 188: 1236 - 1276 - get paper here
  • Smedley, N. 1931. Notes on some Malaysian snakes. Bull. Raffles Mus. No 5: 49-54 - get paper here
  • Smedley, N. 1932. Amphibians and reptiles from the Cameron Highlands, Malay Peninsula. Bull. Raffles Mus. 6: 105 - 123 [1931] - get paper here
  • Vogel, G. & P. David 1999. A revision of the genus Macrocalamus (Serpentes: Colubridae), with description of a new species and a key to the genus. Raffles Bull. Zool., 47 (2): 309-332 - 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.
  • Yaakob, Norsham Suhaina and Boo Liat Lim 2002. A new species of mountain reed snake, Macrocalamus gentingensis, from Genting Highlands, Pahang, Peninsular Malaysia. Hamadryad 27 (1):83-89 - get paper here
 
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