Varanus gouldii, commonly known as the Sand Monitor or Gould's Monitor, is a medium to large-sized monitor species. Adult individuals typically have a snout-vent length (excluding the tail) ranging from 43 to 67cm.

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The coloration of Varanus gouldii is highly variable among different localities. They can exhibit light yellows to dark browns with variations of dark patterning and lighter spots on the body. The tail often has light-coloured banding. Additionally, there is usually a narrow dark strip running from the back of the eye to the back of the head, and the throat and underbody are pale.

Gould's Monitors are one of the most widely distributed monitor species in Australia. They are primarily terrestrial and are mainly found in dry habitats, including open scrublands and sandy deserts.

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These monitors are reasonably common in captivity due to their ease of keeping requirements, especially beyond enclosure size.

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Once settled in, Varanus gouldii individuals become well habituated to human interaction and presence. Tong and hand feeding can be easily established as they mature, and with time and patience, some individuals may become amenable to handling.

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Husbandry for Varanus gouldii is relatively easy as they are adapted to arid and semi-arid environments with a wide natural range. However, they are active monitors and are better suited for outdoor enclosures, at least during the warmer months, although they can be kept indoors with adequate room.

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Enclosure size: Since this species is terrestrial, vertical space is not a major requirement. Large pits or enclosures can be used both indoors and outdoors, taking into consideration heating requirements. Enclosures for adults should be around 2m x 2m, but larger is preferable.

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Substrate and furnishings: Sand substrate is suitable for Sand Monitors. Provide plenty of hollows and hides for them. They enjoy burrowing, so providing a deep substrate will allow them to exhibit this natural behaviour.

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Temperatures and lighting: Adequate UVB lighting is essential for indoor keeping. A basking hot spot under a bright lamp directed onto a rock or tiled surface should reach temperatures of around 50-65°C. The ambient heat gradient over the rest of the enclosure should range from 28-33°C during the warmer active months.

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Humidity: Although they come from arid or semi-arid environments, Sand Monitors benefit from occasional light misting and the provision of a humidity hide if kept in an indoor enclosure.

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Feeding: The bulk of their diet should consist of crickets, wood roaches, and other insects, with regular dusting of calcium powder and vitamins for young animals. Adults can consume whole prey such as rats, mice, quail, and other meats. It is important to maintain a well-balanced variety of food, taking into account the fat content.

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Life span: Varanus gouldii has an average recorded lifespan of 10-15 years in captivity, but longer lifespans have certainly been recorded.