The Tokay Gecko (Gekko gecko) is the second largest Gecko species, attaining lengths of 11–15 inches for males, and 7–11 inches for females. A nocturnal arboreal gecko, ranging from northeast India and Bangladesh, throughout Southeast Asia, Philippines to Indonesia and western New Guinea. Its native habitat is rainforest trees and cliffs, although it frequently adapts to rural human habitations, roaming walls and ceilings at night in search of insects and small vertebrates.
Distinctive in appearance, with a bluish or greyish body, sporting spots ranging from light yellow to bright red, males are more brightly coloured than females. They have large eyes are brown to greenish brown and can be orange or yellow with a vertical slit pupil. Typical lifespan for the tokay is 7–10 years, however in captivity some Tokays have been known to live over 18 years.
Male Tokays are very territorial, and will attack anything else in their territory. Tokays are solitary and only meet during the mating season. Females lay clutches of one or two hard shelled eggs which are guarded until they hatch. Tokays are renowned for their loud vocalizations especially their mating call.