Dhaman or Oriental Ratsnake Ptyas mucosus is a common species of colubrid snake found in parts of South and Southeast Asia. Growing to nearly two metres, they are large snakes and their colour varies from pale browns in dry regions to nearly black in moist forest areas. They are frequently found in urban areas where rodents thrive. 1. Scientific classification Kingdom: Animalia Phylum: Chordata Class: Reptilia Order: Squamata Suborder: Serpentes Family: Colubridae Genus: Ptyas Species: P. mucosus 2. Distribution Afghanistan, Bangladesh, Burma (Myanmar), Cambodia, China (Zhejiang, Hubei, Jiangxi, Fujian, Guangdong, Hainan, Guangxi, Yunnan, Tibet, Hong Kong), India, Sri Lanka, Indonesia.