Uromastyx maliensis is one of fifteen species of Uromastyx . They are the second largest and range from 12 to 18 inches in length. The Siny-tailed Lizard has strong legs that it uses for climbing and digging and a large, spiny scaled tail. The coloration of the lizard is usually a black base with yellow spots on the back.
Females are usually duller in color compared to the males.
Spiny-tailed Lizards inhabit the desert regions of southwestern Asia and northern Africa. They are accustomed to desert climates with little vegetation and extreme heat. The U. maliensis occur primarily in the Republic of Mali. They are active during hot temperatures and seem to become more sluggish when the temperatures are low. They like to bask in the sun when the temperature ranges from 100 to 120 degrees Fahrenheit.