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Pareas hamptoni (BOULENGER, 1905)

IUCN Red List - Pareas hamptoni - Least Concern, LC
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Higher TaxaPareidae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Hampton's Slug Snake
G: Hamptons Schneckennatter
Chinese: 缅甸钝头蛇
Vietnamese: Rắn hổ mây hampton 
SynonymAmblycephalus hamptoni BOULENGER 1905
Amblycephalus carinatus berdmorei — SMITH 1930 (part.) (non Pareas berdmorei THEOBALD 1868 = Pareas carinatus WAGLER 1830)
Amblycephalus hamptoni — PARKER 1925: 305
Pareas hamptoni — SMITH 1943: 120 (part.)
Amblycephalus tonkinensis — DEUVE 1961: 30
Pareas hamptoni — TAYLOR 1965: 680
Dipsas hamptoni — NGUYEN & HO 1996 (part.)
Pareas hamptoni — ZIEGLER 2002: 245 (part.)
Pareas hamptoni tonkinensis — ZIEGLER et al. 2007 (part)
Pareas hamptoni — VOGEL 2015 (part)
Pareas hamptoni — WALLACH et al. 2014: 536 (part)
Pareas tonkinensis — ZAHER et al. 2019
Pareas (Eberhardtia) hamptoni — POYARKOV et al. 2022 
DistributionBurma, Vietnam (Lao Cai etc.), China ? (Yunnan)

Type locality: Mogok, Myanmar (= Burma)  
Reproductionoviparous 
TypesHolotype: BMNH 1904.4.26.16 
DiagnosisDiagnosis: A small species, vertebral scales enlarged; body strongly compressed; frontal shorter than parietal; prefrontal entering eye. Head sharply distinct from neck; one preocular; loreal excluded from eye, or barely touching it. (Taylor 1965: 680)


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CommentDistribution: Reports from Hongkong most likely refer to P. chinensis (fide OTA 1997, VOGEL 2010). Not in Hong Kong fide Francis 2021. Ding et al. (2020) confirmed that Pareas hamptoni inhabits only Myanmar and the province of Lao Cai in north-western Vietnam and stated that it might also be present in Yunnan Province, People’s Republic of China. Populations of Pareas hamptoni (Boulenger, 1905), cited from Laos by Deuve (1970), Stuart (1999), Teynié et al. (2014b) and Nguyen et al. (2020a), should now be identified either as P. formosensis or as P. geminatus (Maury et al. 2022).

Synonymy after VOGEL 2010 who considered Pareas tonkinensis as a synonym, but Zaher et al. 2019 found significant genetic differences between hamptoni and tonkinensis.

Behavior: nocturnal.

Habitat: partly arboreal (Harrington et al. 2018).

Group: The Pareas hamptoni species group includes P. formosensis, P. xuelinensis, P. geminatus, P. hamptoni, P. niger, P. mengziensis, P. iwasakii, P. atayal, P. komaii, P. vindumi, P. kaduri, and P. nigriceps. Pareas kaduri and P. nigriceps fide Poyarkov et al. 2022. 
EtymologyNamed after Herbert Hampton, a friend of G.A. Boulenger, who inferred in his description that the holotypes of the snake was collected by Hampton. 
References
  • 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. 1905. Descriptions of Two New Snakes from Upper Burma. J. Bombay Nat. Hist. Soc. 16: 235-236 - 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
  • 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
  • Dowling, H.G., & Jenner, J.V. 1988. Snakes of Burma: checklist of reported species and bibliography. Smithsonian Herp. Inf. Serv. (76): 19 pp. - get paper here
  • Guo, Keji & Deng, Xuejiang 2009. A new species of Pareas (Serpentes: Colubridae: Pareatinae) from the Gaoligong Mountains, southwestern China. Zootaxa 2008: 53-60 - get paper here
  • Harrington, Sean M; Jordyn M de Haan, Lindsey Shapiro, Sara Ruane 2018. Habits and characteristics of arboreal snakes worldwide: arboreality constrains body size but does not affect lineage diversification. Biological Journal of the Linnean Society 125 (1): 61–71 - get paper here
  • Hecht, Vera L.; Cuong T. Pham, Tao T. Nguyen, Truong Q. Nguyen, Michael Bonkowski & Thomas Ziegler 2013. First report on the herpetofauna of Tay Yen Tu Nature Reserve, northeastern Vietnam. Biodiversity Journal 4 (4): 507–552
  • Jestrzemski, Daniel; Stefan Schütz, Truong Quang Nguyen, Thomas Ziegler 2013. A survey of amphibians and reptiles in Chu Mom Ray National Park, Vietnam, with implications for herpetofaunal conservation. Asian Journal of Conservation Biology, 2 (2): 88–110 - get paper here
  • Le, Dzung Trung; Anh Ngoc Dao, Dat Thang Pham, Thomas Ziegler, and Truong Quang Nguyen 2018. New records and an updated list of snakes from Yen Bai Province, Vietnam. Herpetology Notes 11: 101-108 - get paper here
  • Li D 1989. A survey of reptiles in Leigongshan area. In: Matsui, M., Hikida, T. & Goris, R.C. [Eds]. Current Herpetology in East Asia. Proceedings of the Second Japan-China Herpetological Symposium Kyoto, July 1988. Herpetological Society of Japan, Kyoto, Japan: i-ix, 1-521 [269-275]
  • Liu, S.; Mo, M.; Li, M.; Li, B.; Luo, X.; Rao, D.; Li, S. 2024. Description of a New Species of the Pareas hamptoni Complex from Yunnan, China, with Confirmation of P. hamptoni Sensu Stricto in China (Squamata, Pareidae). Animals 2024, 14, 421 - get paper here
  • Luu, V. Q., Dinh, T. S., Lo, O. V., Nguyen, T. Q. and Ziegler, T. 2020. New records and an updated list of reptiles from Ba Vi National Park, Vietnam. Bonn Zoological Bulletin 69: 1-9.
  • Maury, N., David, P., & Sudavanh, S. 2023. THE SNAKE FAUNA OF LAOS WITH NEW PROVINCIAL RECORDS. TAPROBANICA 11 (2): 84–93 - get paper here
  • Nguyen TV, Brakels P, Maury N, Sudavanh S, Pawangkhanant P, Idiiatullina S, Lorphengsy S, Inkhavilay K, Suwannapoom C, Poyarkov NA. 2020. New herpetofaunal observations from Laos based on photo records. Amphibian & Reptile Conservation 14(2) [General Section]: 218–249 (e248) - get paper here
  • Nguyen, S.V., Ho, C.T. and Nguyen, T.Q. 2009. Herpetofauna of Vietnam. Chimaira, Frankfurt, 768 pp.
  • Nguyen, Tan Van; Loi Duc Duong, Tho Thi Anh Duong 2019. NEW RECORDS AND UPDATED LIST OF SNAKES (SQUAMATA: SERPENTES) FROM BINH DINH PROVINCE, CENTRAL-SOUTHERN VIETNAM. Hue University Journal of Science: Natural Science 128 (1B): 35-41 - get paper here
  • Nguyen, Truong Quang; Tan Van Nguyen, Cuong The Pham, An Vinh Ong & Thomas Ziegler 2018. New records of snakes (Squamata: Serpentes) from Hoa Binh Province, northwestern Vietnam. Bonn zoological Bulletin 67 (1): 15–24 - get paper here
  • Ota H. Lin J T. Hirata T. Chen S L. 1997. Systematic review of Colubrid snakes of the genus Pareas in the East Asian islands. Journal of Herpetology 31 (1): 79-87. - get paper here
  • Parker,H.W. 1925. A collection of reptiles and batrachians from Tonkin. Ann. Mag. nat. Hist. (9) 15: 300-306 - get paper here
  • Pham AV, Ziegler T, Nguyen TQ 2020. New records and an updated checklist of snakes from Son La Province, Vietnam. Biodiversity Data Journal 8: e52779 - get paper here
  • Poyarkov NA, Nguyen TV, Pawangkhanant P, Yushchenko PV, Brakels P, Nguyen LH, Nguyen HN, Suwannapoom C, Orlov N, Vogel G. 2022. An integrative taxonomic revision of slug-eating snakes (Squamata: Pareidae: Pareineae) reveals unprecedented diversity in Indochina. PeerJ 10: e12713 - get paper here
  • Smith, M. A. 1923. On a collection of reptiles and batrachians from the island of Hainan. J. Nat. Hist. Soc. Siam 6: 195—212
  • 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.
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  • Vogel, Gernot 2010. ON THE DISTRIBUTION OF Pareas hamptoni (BOULENGER, 1905) IN THAILAND (SERPENTES: PAREATINAE). Russ. J. Herpetol. 17 (3): 219 – 222 - 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.
  • Wang K, Lyu ZT, Wang J, Qi S, Che J 2022. Updated Checklist and Zoogeographic Division of the Reptilian Fauna of Yunnan Province, China. Biodiversity Science 30 (4): 21326, 1–31 - get paper here
  • Wang, Kai; Jinlong Ren, Hongman Chen, Zhitong Lyu, Xianguang Guo Ke Jiang, Jinmin Chen, Jiatang Li, Peng Guo, Yingyong Wang, Jing Che 2020. The updated checklists of amphibians and reptiles of China. Biodiversity Science 28 (2): 189-218 - get paper here
  • Zaher H, Murphy RW, Arredondo JC, Graboski R, Machado-Filho PR, Mahlow K, et al. 2019. Large-scale molecular phylogeny, morphology, divergence-time estimation, and the fossil record of advanced caenophidian snakes (Squamata: Serpentes). PLoS ONE 14(5): e0216148 - get paper here
  • Zhao, E.M. 2006. The snakes of China [in Chinese]. Hefei, China, Anhui Sience & Technology Publ. House, Vol. I, 372 pp., Vol. II (color plates), 280 pp.
  • Ziegler, T. 2002. Die Amphibien und Reptilien eines Tieflandfeuchtwald-Schutzgebietes in Vietnam. Natur und Tier Verlag (Münster), 342 pp. - get paper here
  • ZIEGLER, THOMAS; RALF HENDRIX, VU NGOC THANH, MARTINA VOGT, BERNHARD FORSTER & DANG NGOC KIEN 2007. The diversity of a snake community in a karst forest ecosystem in the central Truong Son, Vietnam, with an identification key. Zootaxa 1493: 1-40 - get paper here
  • Zuklin, Tomas; Nathanael Maury, Saly Sitthivong, Thong Van Pham, Olivier Le Duc, Cedric Bordes, Benjamin Leprince, Charlotte Ducotterd, Lo Van Oanh, Phimphasone Vilay, Vinh Quang Luu, Luca Luiselli 2021. The «Empty Forest Syndrome» and the Herpetofaunal Communities in Laos (South-Eastern Asia). Russian Journal of Herpetology 28 (6): 333-347 - get paper here
 
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