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Enhydris jagorii (PETERS, 1863)

IUCN Red List - Enhydris jagorii - Data Deficient, DD

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Higher TaxaHomalopsidae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesE: Bangkok Mud Snake, Striped Water Snake, Jagor’s Water Snake
G: Jagors Wassertrugnatter 
SynonymHypsirhina (Eurostus) Jagorii PETERS 1863: 245
Hypsirhina jagorii — GÜNTHER 1864: 282
Hypsirhina smithi BOULENGER 1914: 69
Enhydris smithi — SMITH 1929
Enhydris jagorii — SMITH 1943: 384
Enhydris smithi — SMITH 1943: 385
Enhydris jagorii — COX et al. 1998: 41
Enhydris smithii — DAS 2010: 328
Enhydris smithii — WALLACH et al. 2014
Enhydris jagorii — MURPHY & VORIS 2014: 17 

Type locality: “Siam” [Thailand]  
TypesHolotype: ZMA.RENA 4746 (fide MURPHY & VORIS 2014, in error). 
DiagnosisDiagnosis: Dorsal scale rows 23–25 on neck, large scalloped blotches or spots on sides and dorsum, ventral scales 117–127; females have more than 50 subcaudals, males have about 68, pupil mottled and colored like scales surrounding it. Eye diameter less than diameter of nasal scale (MURPHY & VORIS 2014). 
CommentSynonymy: Hypsirhina enhydris subtaeniata BOURRET 1934 has been removed from the synonymy of E. jagorii. 
EtymologyNamed after Dr. F. Jagor who collected reptiles in Thailand for te Zoological Museum in Berlin. 
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Boulenger, G.A. 1896. Catalogue of the snakes in the British Museum, Vol. 3. London (Taylor & Francis), xiv + 727 pp. - get paper here
  • Boulenger,G.A. 1914. Descriptions of new reptiles from Siam. J. Nat. Hist. Soc. Siam 1: 67-76
  • 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
  • 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.
  • Das, I. 2012. A Naturalist's Guide to the Snakes of South-East Asia: Malaysia, Singapore, Thailand, Myanmar, Borneo, Sumatra, Java and Bali. Oxford J, ohn Beaufoy Publishing - get paper here
  • Karns, D.R.; Murphy, J.C.; Voris, H.K. & Suddeth, J.S. 2005. Comparison of Semi-aquatic Snake Communities Associated with the Khorat Basin, Thailand. The Natural History Journal of Chulalongkorn University 5(2): 73-90 - get paper here
  • KARNS, DARYL R.; VIMOKSALEHI LUKOSCHEK; JENNIFER OSTERHAGE; JOHN C. MURPHY & HAROLD K. VORIS 2010. Phylogeny and biogeography of the Enhydris clade (Serpentes: Homalopsidae). Zootaxa 2452: 18–30 [erratum in Zootaxa 2514: 68] - get paper here
  • Lillywhite, Harvey B. 2014. How Snakes Work: Structure, Function and Behavior of the World's Snakes. Oxford University Press, New York, 256 pp
  • Murphy, J.C. & Voris, H.K. 2014. A Checklist and Key to the Homalopsid Snakes (Reptilia, Squamata, Serpentes), with the Description of New Genera. FIELDIANA: LIFE AND EARTH SCIENCES (8): 1–43 - get paper here
  • Murphy, John C. 2007. Homalopsid Snakes: Evolution in the Mud. Krieger Publishing, Malabar, Florida, 249 pp.
  • Peters, Wilhem Carl Hartwig 1863. Über die von Hrn. Dr. F. Jagor in Siam gesammelten Amphibien. Monatsber. königl. Akad. Wiss. Berlin. 1863 (Juni): 245-247 - get paper here
  • Pongcharoen, chattraphas; Harold K. voris, Anak Pattanavibool & Kumthorn Thirakhupt 2015. MORPHOLOGY AND SEXUAL DIMORPHISM OF THE JAGOR’S WATER SNAKE, Enhydris jagorii AT BUNG KA LOH WETLAND, UTTARADIT PROvINcE, THAILAND. Journal of Wildlife in Thailand 22 (1): 47-59 - get paper here
  • Saint Girons, Hubert 1972. Notes sur l'Ecologie des Serpents du Cambodge. Zoologische Mededelingen 47: 65-87 - get paper here
  • Smith, M.A. 1929. Remarks on three rare Reptiles from the Indo-Chinese Region. J. Nat. Hist. Soc. Siam 8: 49-50 - get paper here
  • Smith, M.A. 1943. The Fauna of British India, Ceylon and Burma, Including the Whole of the Indo-Chinese Sub-Region. Reptilia and Amphibia. 3 (Serpentes). Taylor and Francis, London. 583 pp.
  • Stuart, B.L.; Smith, J.; Davey, K.; Din, P. & Platt, S.G. 2000. Homalopsine watersnakes. The harvest and trade from Tonle Sap, Cambodia. Traffic Bull. 18 (3): 115-124
  • Taylor,E.H. 1965. The serpents of Thailand and adjacent waters. Univ. Kansas Sci. Bull. 45 (9): 609-1096 - get paper here
  • Voris, H.K. 2006. Assessment of Biodiversity among Southeast Asian Amphibians and Reptiles. The Natural History Journal of Chulalongkorn University 6(1): 1-10 - 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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