There are two forms said to originate from Mt. Koghis north-west off Noumea. The first form, known
among the hobbyists as Traeger line, from the name of late German hobbyist Michael Treger, while the second
form is known as Seipp line, from German Robert Seipp, whom the original animals came from.
Traeger line:
Mt. KoghisTroeger leachianus are one of the most unique of GT locales with their massive bodies, short thick tails
and unique head structure. Two distinct forms exist, the most commonly seen light form and a dark (melanistic)
form.
The light form hatches tan with distinct black markings and very thin peach blotches down the sides. This form
develops into a darkish adult, with a dark olive green to dark brown background. This form also has black
dorsolateral markings with crisp white bars running down length of the sides. Melanistic specimens are born either chocolate brown or black, with thin maroon blotches and the typical light chin and throat, to solid black.
Both forms have enlarged rostral scales that dwarf the adjacent scales lying between the rostral and the labial .
Juveniles and young adults can typically be seen with a dark line that runs from the rostraI to the front of the eyes, which commonly fades with age. Adult of this locality maintain the black dorsolateral marking seen in
juveniles.
Seipp line:
The Seipp line is the most commonly encountered form on Mt. Koghis in the wild. It is large gecko with a dark brown to yellowish background coloration with white blotches often speckled with black spots. This form has GT's typical long tail and elongated snout.
