There are 11 species of the genus Uromastix inhabiting the desert regions of North Africa and North-Western Asia. Only one species, Uromastix hardwickii, is represented in India. It is found almost throughout North-Western India (Punjab, Haryana, Rajasthan, Uttar Pradesh) and Gujarat. It has not been reported from South India. It is also found in Sindh and Baluchistan in Pakistan. The [...]
The respiratory system of Uromastix consists of two main portions, viz., respiratory tract and respiratory organs. Respiratory Tract: The respiratory tract starts from the external nares. These are a pair of small oval apertures on the snout slightly above the mouth. On its inner side each naris possesses a prominent swelling of mucous membrane which serves as a valve to [...]
In Uromastix, the excretory and reproductive systems are closely associated as in other vertebrates. Therefore, the two systems are described together under the heading urinogenital system. The sexes are separate but the sexual dimorphism is not well developed. Excretory System: The excretory system is similar in both the sexes and consists of a pair of kidneys, a pair of ureters [...]