Physical Structure: There are three small groups of spines, completely separate from each other, on each side of the head, one behind the superciliary margin and two above each tympanum.

The dorsal crest is well developed on the neck and on the anterior part of the trunk, gradually disappearing behind.

[4] C. emma is found in Bangladesh (Satchari National Park, Bandarban Hill District), Cambodia, China (Guangdong, Yunnan), India (Assam), Laos, Malaysia (Peninsular), Myanmar, Thailand (including Phuket) & Vietnam (including Pulo Condore Islands) and Possibly in Bhutan.

Mr. Blyth mentions it amongst a collection made by Captain Bedmore at Schwe Gyen on the Sitang River in Pegu".

It inhabits various forest habitats including dry deciduous, coastal, and moist evergreen.

[1] C. emma is insectivorous,[5] preying upon termites, grasshoppers, ants, cockroaches, beetles, diverse species of moths and low flying butterflies, and soil-living insects and their larvae.