The scientific name means 'set with gems', in reference to the markings.
This species does not co-exist with other members of Naultinus.
Geographic variation has long been recognised, and are described as follows (Robb 1980, Jewell 2008):
A small to medium sized gecko (c. 65–80 mm SVL, up to 140-170 mm total length (Jewell 2006). Dorsal and lateral surfaces usually bright green, but some males from Canterbury are coloured grey, brown or white, and females with brown flanks. Dorsal surface markings are highly variable, either a series of white or yellow diamond shaped patches or stripes down either side of the back. In Southland and Stewart Island areas only the head is strongly marked. Occasionally bright yellow specimens have been recorded. Ventral surfaces plae grey, greenish or bluish, often with longitudinal streaks, mottled in some specimens. Mouth lining and tongue colour varies between populations - lining blue, tongue bluish black (Otago), pink to dark grey with an orange tip (Canterbury). Eye olive or brown. Toe-pads narrow without expanded pads. Scales across the snout are greatly enlarged and domed in shape. Tail slender; prehensile; seldom shed. ranging from equal to considerably longer than the SVL (Jewell 2006). Sexually dichromatic populations known in Canterbury occur at least as far south as Lake Pukaki (males brown or grey, females green) but those in Otago and Southland are not (Thomas 1982, Whitaker et al 2002). There are also minor differences in morphology and colouration (Hitchmough 1997).
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