Comprehensive DescriptionRead full entry
Total length of males to 133 mm for males (average 122 mm), up to 150 mm for females (average 111 mm. Adult males have a mental gland on the chin. Limbs well developed, hind legs slightly longer than front legs. Front feet with 4, hind feet with 5 broad, flattened digits that are widened distally. Base color from dark brown to black, with marbled pattern. Pattern may be in yellow, ochre or green. The base color is either bright ("imperialis"-type) or dark ("funereus"-type). The dark V, inverted V or X pattern in the neck, as also described for H. flavus, can also be present in this species. The ventral side is bright and sometimes translucent, showing the abdominal organs and their contents. The brown or black spotting of the throat, venter and tail is stronger in this species than in H. flavus. There are no cases of albinism known for this species (Boehme et al 1999).