Expended Description and Conservation Assessment of Opisthotropis shenzhenensis(Squamata:Serpentes:Natricidae)
Three specimens of the genus Opisthotropis were collected from Mt.Lianhua,Huidong County,Huizhou City,Guangdong Province in 2023,and were identified as O.shenzhenensis by molecular and morphological comparison.Mt.Li-anhua was found to be the easternmost known distribution site of O.shenzhenensis.Previously,the morphological data of O.shenzhenensis was only based on the type specimens including two males and four females.In this study,the expanded description was provided based on the newly collected specimens,including two males and a single female.At present,there are only six known distribution sites of O.shenzhenensis which are concentrated in Shenzhen and Dongguan,Guang-dong Province.Therefore,O.shenzhenensis should be listed as Vulnerable(VU)based on the IUCN conservation status categorization(assessment criteria:B2a,biii)according to its current distribution range and habitat quality.
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