CollorhabdiumCollorhabdium is a genus of snake in the family Colubridae. The genus contains the sole species Collorhabdium williamsoni. It is commonly known as the mountain dwarf snake and Williamson's reed snake. It is endemic to Malaysia.EtymologyThe specific name, williamsoni, is in honor of entomologist K.B. Williamson who collected the holotype.Geographic rangeC. williamsoni is found in Peninsular Malaysia.HabitatThe preferred natural habitat of C. williamsoni is forest, at altitudes of.ReproductionC. williamsoni is oviparous.