Added 11 July 2022.

A look at the Family Agamidae


Blue-Throated Lizards


A somewhat vaguely-defined Asian genus whose sole uncontested member has been P. gularis. P. collicristatus was described in 2004 and P. chindwinensis in 2021, while P. phuwaensis is considered a member of the monotypic genus Mantheyus by some authorities.

Boulenger gives the following characteristics for the genus: body compressed; 5th toe much longer than 1st; all scales keeled, dorsal scales heterogeneous; no dorsal crest; three parallel longitudinal folds on each side of the middle of the throat, curved and converging backwards, forming a U-shaped figure; ear concealed; no preanal or femoral pores.

Care details given in Manthey and Schuster are for Mantheyus phuwuanensis, which was formerly assigned to this genus, so care should be taken to establish whether the Ptyctolaemus species are in fact from similar habitats and with similar requirements.

Species Name

Common Name





P. chindwinensis


This new species differs from P. gularis and Ptyctolaemus aff. gularis from Tibet, China, by having relatively longer limbs and different colorations of the gular region, and it differs from P. collicristatus by having much longer limbs and a less developed nuchal crest in males. Description: tympanum concealed. Nuchal crest undeveloped, low and flat. Dorsal scales heterogeneous. Coloration: gular region is bright yellow with 2-3 short black stripes in males and the gular region is greyish white with no stripe in females. [SOURCE: Liu et al]

P. collicristatus

W Myanmar

Defined in 2004: see Reptile Database entry.

P. gularis

Blue-Throated Lizard [D: Kehlfaltenagame]

NE India, Bangladesh, China (Tibet), Myanmar

SVL 8cm, TL 25cm 

An arboreal and diurnal species, frequently seen basking on walls in towns as well as in montane forests [Das]. Daniel states that this species is common around Shillong in Meghalaya. Scalation details: canthus rostralis and supraciliary edge angular; dorsal head scales keeled, unequal; 8 supralabials, 8 sublabials; slight indication of nuchal crest; dorsal and lateral scales feebly keeled, with irregularly scattered enlarged strongly keeled ones; ventrals larger, strongly keeled; limbs above with subequal scales. Other: 3 parallel longitudinal folds on each side of the middle of the throat, curved and converging backwards, forming a U-shaped figurehead rather elongate; snout longer than diameter of orbit; hindlimb adpressed reaches posterior edge of orbit; 5th toe as long as 3rd; tail roundish, slender, little more than twice as long as head and body, covered with subequal keeled scales. Coloration: longitudinal folds are dark blue; olive-brown above, with darker transverse spots; two curved dark brown crossbands, separated by a light one of equal width, between the eyes; oblique dark brown band from below eye to angle of mouth; limbs and tail above with dark crossbands; yellowish-white below. Reproduction: breeding males have extended blue throat appendage and greenish-yellow lateral longitudinal lines from behind the tympanum to one-third the body length. Nests are produced in mid-May. 14-15 eggs laid: hatchlings emerge around the end of August [SOURCES: Boulenger, Daniel, Das]


The details on this page were taken from this book. Contains brief section on Ptyctolaemus.

“A new species of the genus Ptyctolaemus Peters, 1864 (Squamata, Agamidae) from Sagaing, Myanmar”, Shuo Liu, Mian Hou, Ye Htet Lwin, Dingqi Rao, Evolutionary Systematics 5(2), 10 December 2021.