Monitor lizards are lizards in the genus Varanus. They are native to Africa, Asia, and Oceania, and one species is also found in the Americas as an invasive species. About 80 species are recognized.
A goanna is any one of several species of lizards of the genus Varanus found in Australia and Southeast Asia.
The yellow-spotted monitor, also known as the Argus monitor, is a monitor lizard found in northern and western regions of Australia and southern New Guinea.
The spiny-tailed monitor, also known as the Australian spiny-tailed monitor, the ridge-tailed monitor or Ackie's dwarf monitor, is an Australian species of lizard belonging to the genus of monitor lizards (Varanus).
The black-throated monitor is a subspecies of monitor lizard in the family Varanidae. The subspecies is native to Tanzania.
Mertens' water monitor, also called commonly Mertens's water monitor, and often misspelled Mertin's water monitor, is a species of lizard in the family Varanidae. The species is endemic to northern Australia, and is a wide-ranging, actively foraging, opportunistic predator of aquatic and riparian habitats. It is named after German herpetologist Robert Mertens.
The south-western spiny-tailed gecko, also known commonly as the soft spiny-tailed gecko, is a species of lizard in the family Diplodactylidae. The species is endemic to Australia. Two subspecies are recognized.
Spencer's goanna, also known commonly as Spencer's monitor, is a species of monitor lizard in the family Varanidae. The species is endemic to Australia.
The black-headed monitor or black-tailed monitor is a relatively small species of monitor lizards native to Australia. It is occasionally also called the mournful monitor, freckled monitor or the racehorse monitor, a name it shares with the Gould's monitor due to their exceptional speed. It is placed in the subgenus Odatria.
The Pilbara monitor, also known commonly as Bush's monitor, Bush's pygmy monitor, and the Pilbara mulga goanna, is a species of monitor lizard in the family Varanidae. The species is endemic to Australia.
The blue-tailed monitor, blue-tailed tree monitor or Kalabeck's monitor, is a monitor lizard of the Varanidae family. It belongs to the V. doreanus group of the subgenus Euprepiosaurus.
The canopy goanna, Keith Horne's monitor, blue-nosed tree monitor, or Nesbit River monitor is a species of monitor lizards native to northeast Australia. It is a member of the Varanus prasinus species group.
Finsch's monitor is a species of monitor lizard in the family Varanidae. The species is found in New Guinea and Australia.
Kings' monitor, also known commonly as Kings' goanna, Kings' rock monitor and pygmy rock monitor, is a small species of monitor lizard in the family Varanidae. The species is native to Australia.
Mitchell's water monitor is a semiaquatic species of monitor lizard in the family Varanidae. The species is native to Australia.
Storr's monitor is a species of monitor lizard in the family Varanidae. The species is endemic to Australia.
Bogert's monitor is a species of tree-dwelling lizard in the family Varanidae. The species is native to Papua New Guinea.
The subgenus Odatria, sometimes known as the dwarf monitor lizards, consists of small monitor lizards found in Australia and Indonesia. Species in this subgenus include the smallest monitor species in the world, the tiny 16 gram Dampier Peninsula monitor, but also includes some more medium sized species such as the 240 gram black-palmed rock monitor.
