The Northland green gecko, Naultinus grayii, is a species of gecko found only in the Northland region of New Zealand, north of Whangaroa; it is one of the rarest and most highly sought after lizards. Its total length (including tail) is up to 200 mm (7.9 in), and its snout to vent length (SVL) is up to 95 mm (3.7 in).