V. yuwonoi

Black-backed mangrove monitor lizard.

Distribution: only known from around Jailolo and Tanah Putih (Northeastern Halmahera, Mollucan Islands, Indonesia).

dorsum coloration : anterior part blackish and with few bands, posterior part speckled with yellowish green, blue and black
tail coloration : presence of blue pigmentation
throat pattern and coloration : light and patternless
tongue coloration : entirely dark violet, with light tines
temporal band : presence
transversal section of the first third of tail : not roundish
tail dorsally with a double keel : presence
enlarged eyes : absence
midbody scale counts : 151 and above