Crested Gecko Dalmatian

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Crested geckos are among the largest gecko species and typically range from 6–10 inches (15–25 cm) in length, including 4–6 inches (10–15 cm) of tail length. Among the most distinctive features of these geckos are the hair-like projections found above the eyes, which greatly resemble eyelashes. Crested geckos also have two rows of spines that run from the sides of their wedge-shaped head to the base of their tail. Crested geckos do not have eyelids and so they use their long tongues to moisten their eyes and remove debris. The toes and the tip of the semi-prehensile tail are covered in small hairs called setae. Each seta is divided into hundreds of smaller (approximately 200 nanometres in diameter) hairs called spatulae. It is believed these structures exploit the weak van der Waals force to help the gecko climb on most solid surfaces. The toes have small claws which aid in climbing surfaces to which their toes cannot cling. They possess a semi-prehensile tail which they use to assist in climbing. The tail can be dropped (via caudal autotomy) as a deterrent to predators. Unlike some other geckos, once they lose their tail, it will not grow back; however, this is not as harmful to the gecko as it is in other species, such as the leopard gecko, which store fat reserves in their tails. In fact, most adults in the wild lack tails.