Animal Facts
    Common Name:
    Spiny-tailed Monitor
    Scientific Name:
    Varanus acanthurus
    • This monitor is a solitary ground dweller active during the day.
    • Rock crevices and burrows are used to retreat from extreme conditions, avoid predators, and as hunting sites.
    • This monitor wedges its spiny tail into rocks so it cannot be pried out by predators.
    11 oz
    2 ft
    Life Span:
    10 yrs
    Gestation Period:
    100 days
    Number of Young:
    5-12 eggs
    • Desert
    • Grassland
    • Rocky Areas
    • Shrubland
    Fun Facts:
    • They are also called the ridgetail monitor.
    • About 70 percent of the monitor's water comes from its prey.
    • Their streamlined build allows them to enter and exit rock crevices and burrows with ease.
    • Its tail is up to two times longer than the head and body.
    Endangered Status
    Endangered Status
    • Extinct in Wild (EW)
    • Critically Endangered (CR)
    • Endangered (EN)
    • Vulnerable (VU)
    • Near Threatened (NT)
    • Least Concern (LC)
    • Not Evaluated (NE)

    They are excellent eaters, dining on insects and pinkie mice 3-4 times a week. In their habitat, they enjoy basking on flat rocks and digging burrows.