Collorhabdium

Collorhabdium 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.

Etymology
The specific name, williamsoni, is in honor of entomologist K.B. Williamson who collected the holotype.

Geographic range
C. williamsoni is found in Peninsular Malaysia.

Habitat
The preferred natural habitat of C. williamsoni is forest, at altitudes of 1,100 –.

Reproduction
C. williamsoni is oviparous.