Achalinus zugorum

Zugs' odd-scaled snake (Achalinus zugorum) is a snake of the family Xenodermidae described in 2020 from Ha Giang Province, Vietnam, and listed by the Reptile Database from Yunnan in China as well. It is named for George R. and Patricia B. Zug. (The Reptile Database; Wikipedia, general species account)

It is dark or iridescent, with scales shifting from blue to green, and is characterised by the non-overlapping scale pattern that sets its genus apart. (Wikipedia, general species account)