Christinus, a genus of Gekkonidae, are geckos found in southern regions of Australia. It contains species and subspecies that are regionally termed as Marbled Geckos. The contrasted patterns of these geckos, its marbling, are found in a variety of reddish brown, grey, silver, white, black and purplish hues. They are frequently found in old knotted trees and sometimes congregate in large numbers in established urban environments.