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Hebius yangi LIU, WANG, HOU, DENG, ZHANG, WANG & RAO, 2026

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Higher TaxaColubridae (Natricinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Yang’s Keelback”
Chinese: 杨氏腹链蛇 
SynonymHebius yangi LIU, WANG, HOU, DENG, ZHANG, WANG & RAO : 144 
DistributionChina (Yunnan)

Type locality: Xiajinchang Township, Malipo County, Wenshan Prefecture, Yunnan Province, China (23°11'7"N, 104°48'12"E; 1450 m a.s.l.).  
Reproduction 
TypesHolotype: KIZ2025058, adult male, collected on 3 May 2025 by
local villagers.
Paratype:
KIZ2025175, adult male, collected on 2 November 2025 by local villagers from
the same locality as the holotype.
Additional specimen. KIZ2025050, adult male, collected on 24 April 2025 by
local villagers from the same locality as the holotype. 
DiagnosisDiagnosis: Body size relatively small, SVL 237–306 mm; tail moderately long, TaL/TL 0.32–0.33; dorsal scale rows 17-17-17, all keeled except the outermost rows; ventrals 130–131; subcaudals 80–85, paired; supralabials six, third and fourth entering orbit; infralabials seven; maxillary teeth 32–34, gradually enlarged posteriorly; dorsal surface grayish brown to blackish brown with a series of neatly arranged small orange spots on dorsolateral body on each side; ventral surface of head white, scat­ tered with black streaks on scale sutures; iris brownish gray; lip region black and white alternately; neck collar present, discontinuous. (Liu et al. 2026)


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Comment 
EtymologyNamed after Prof. Dr Datong Yang, Chinese herpetologi­st and taxonomist. 
References
  • Liu S, Wang J, Hou M, Deng T, Zhang C, Wang M, Rao D 2026. A new species of the Hebius atemporalis complex (Squamata, Natricidae) from southeastern Yunnan, China. ZooKeys 1289: 141-157 - get paper here
 
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