The Varanus acanthurus, commonly known as the spiny-tailed monitor, is a small monitor lizard native to arid regions of Australia. It features a distinctive spiny tail, used for defense and balance, and exhibits a reddish-brown coloration with patterns that provide excellent camouflage. Known for its agility and curiosity, it thrives in rocky outcrops and burrows.

Varanus acanthurus, commonly known as the Spiny-tailed Monitor or Ridge-tailed Monitor, is native to Australia. It is primarily found in the northern regions of the country, including the states of Western Australia, Northern Territory, and Queensland. Within these regions, it inhabits arid and semi-arid areas.

The Spiny-tailed Monitor typically inhabits rocky outcrops, spinifex grasslands, and open woodlands. It thrives in arid and semi-arid climates with hot temperatures and low rainfall. The species is well-adapted to withstand the harsh conditions of its environment, often taking refuge in rock crevices to escape extreme heat.

Varanus acanthurus occupies a niche as a carnivorous reptile, feeding primarily on insects, small mammals, and other reptiles. Its spiny tail helps it navigate and secure itself within rocky crevices, providing protection from predators. This adaptation is crucial for survival in the rugged terrains it inhabits.