It is very closely related to the mangrove monitor (Varanus indicus), with both belonging to the subgenus Euprepiosaurus.

[5] A 20 year old male housed at the Cologne Zoo reached a total length of 129 cm, before suddenly dying of what was likely sepsis caused by an earlier bacterial infection.

Baby quince monitors will be darker in color and will gradually get brighter yellow with age.

The quince monitor is likely endemic to the Sula Islands in Indonesia, but it reportedly may occur in Banggai.

[7] Initially it was reported to originate from the Obi Islands, but this was only an intermediate wildlife trade station.