Craspedocephalus brongersmai
Craspedocephalus brongersmai, also known commonly as Brongersma's pit viper, is a species of venomous snake in the subfamily Crotalinae of the family Viperidae. The species is native to islands off the west coast of Sumatra, Indonesia. There are no subspecies that are recognized as being valid. Etymology. The specific name, "brongersmai", is in honor of Dutch herpetologist Leo Brongersma. Description. Scalation of "C. brongersmai" includes 19 (or 21) rows of dorsal scales at midbody, 136-150 ventral scales, 41-48 divided subcaudal scales, and 9-10 supralabial scales. Geographic range. "Craspedocephalus brongersmai" is found in Indonesia, on  the Mentawai islands of Siberut and Simeulue, which are located off the west coast of Sumatra. The type locality given is "Lugu, Simalur, Sumatra" [= Lugu, Simeulue Island, Indonesia]. Habitat. The preferred natural habitat of "C. brongersmai" is forest. Reproduction. The mode of reproduction of "C. brongersmai" is unknown.