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Opisthotropis maculosa STUART & CHUAYNKERN, 2007

IUCN Red List - Opisthotropis maculosa - Data Deficient, DD

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Higher TaxaColubridae (Natricinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) 
Common NamesYellow-spotted mountain stream snake, Yellow-spotted mountain Keelback 
SynonymOpisthotropis maculosus STUART & CHUAYNKERN 2007
Opisthotropis maculosa — ZIEGLER et al. 2008
Opisthotropis maculosa — WALLACH et al. 2014: 510
Opisthotropis maculosus — CHAN-ARD et al. 2015: 226 
DistributionThailand (Nong Khai Province), S China (Guangdong, Guangxi)

Type locality: Thailand, Nong Khai Province, Boong Klar District, Phu Wua Wildlife Sanctuary, at marker 027 on footpath to Lad Phleuy Waterfall, 18° 14’ 31.0’’ N, 103° 57’ 44.5’’ E, 190 m elevation.  
TypesHolotype: THNHM 05343/FMNH 265798, adult male 
CommentHabitat: aquatic, inhabiting flowing streams.

Diet: fishes, frogs, tadpoles, freshwater shrimp and earthworms.

Behavior: nocturnal

Distribution: not in Vietnam, despite recent reports from there, which actually represent Opisthotropis haihaensis (fide Ziegler et al. 2019). 
Etymologyfrom Latin “maculosus” = spotted, referring to the distinctive dorsal pattern. 
  • 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
  • DAVID, PATRICK; CUONG THE PHAM, TRUONG QUANG NGUYEN & THOMAS ZIEGLER 2011. A new species of the genus Opisthotropis Günther, 1872 (Squamata: Natricidae) from the highlands of Kon Tum Province, Vietnam. Zootaxa 2758: 43–56 - get paper here
  • Nguyen, Tan Van; Truong Quang Nguyen, Cuong The Pham, Thomas Ziegler 2018. First Country Record of Opisthotropis maculosa Stuart et Chuaynkern, 2007 from Vietnam Russ. J. Herpetol. 25 (1): 74-78 - get paper here
  • Stuart, B.L. & Chuaynkern, Y. 2007. A new Opisthotropis (Serpentes: Colubridae: Natricinae) from Noetheastern Thailand. Current Herpetology 26 (1): 35-40 - get paper here
  • TEYNIÉ, ALEXANDRE; ANNE LOTTIER, PATRICK DAVID, TRUONG QUANG NGUYEN & GERNOT VOGEL 2014. A new species of the genus Opisthotropis Günther, 1872 from northern Laos (Squamata: Natricidae). Zootaxa 3774 (2): 165–182 - 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.
  • YANG, JIAN-HUAN; YIK-HEI SUNG & BOSCO PUI-LOK CHAN 2013. A new species of the genus Opisthotropis Günther, 1872 (Squamata: Colubridae: Natricinae) from Guangdong Province, China. Zootaxa 3646 (3): 289–296 - get paper here
  • YANG, JIAN-HUAN; YING-YONG WANG, BING ZHANG, MICHAEL WAI-NENG LAU & WEN-HAO CHOU 2011. Revision of the diagnostic characters of Opisthotropis maculosa Stuart and Chuaynkern, 2007 with notes on its distribution and variation, and a key to the genus Opisthotropis (Squamata: Natricidae). Zootaxa 2785: 61–68 - get paper here
  • ZIEGLER, THOMAS; CUONG THE PHAM, TAN VAN NGUYEN, TRUONG QUANG NGUYEN, JIAN WANG, YING-YONG WANG, BRYAN L. STUART & MINH DUC LE 2019. A new species of Opisthotropis from northern Vietnam previously misidentified as the Yellow-spotted Mountain Stream Keelback O. maculosa Stuart & Chuaynkern, 2007 (Squamata: Natricidae) Zootaxa 4613 (3): 579–586 - get paper here
  • Ziegler, Thomas; Patrick David, Vu Ngoc Thanh 2008. A new natricine snake of the genus Opisthotropis from Tam Dao, Vinh Phuc Province, northern Vietnam (Squamata, Colubridae). Zoosystematics and Evolution 84 (2): 197 -203
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