Spiny-tailed monitor
| Spiny-tailed monitor | |
|---|---|
| In the wild, Northern Territory | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Reptilia | 
| Order: | Squamata | 
| Family: | Varanidae | 
| Genus: | Varanus | 
| Subgenus: | Odatria | 
| Species: | V. acanthurus | 
| Binomial name | |
| Varanus acanthurus Boulenger, 1885 | |
| Subspecies | |
| 
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| Distribution of the spiny-tailed monitor | |
The spiny-tailed monitor (Varanus acanthurus), also known as the Australian spiny-tailed monitor, the ridge-tailed monitor the Ackie dwarf monitor, and colloquially simply ackie monitor, is an Australian species of lizard belonging to the genus of monitor lizards (Varanus).