Dumnui's bent-toed gecko (Cyrtodactylus dumnuii) is a species of lizard in the family Gekkonidae. The species is endemic to Thailand.
The specific name, dumnuii, is in honor of Thai zoologist Sophon Dumnui.[1]
C. dumnuii is only known from its type locality, Phabartmaejon Cave in Mae Na, in Chiang Mai Province, Thailand
The preferred natural habitats of C. dumnuii are forest and dry caves. The holotype and paratype specimens of C. dumnuii were collected inside the entrance and up to 30m (100feet) into a limestone cave.
Adult males of C. dumnuii measure 81- in snout-to-vent length (SVL), and adult females 76- SVL.
The mode of reproduction of C. dumnuii is unknown.