"u. sameiti" are nocturnal and arboreal geckos. their eyes are large, lidless, and have yellow sclera with elliptical pupils, suited for the gecko's nocturnal habits. this species ranges in size from when measured from nose to base of the tail. they spend most of the daylight hours hanging vertically on tree trunks, head down, resting. during the night, they will venture from their daylight resting spots, and go off in search of prey.