Close this search box.

Ackie Monitor – Super Care Sheet

The Ackie Monitor, also known as the Spiny-tailed Monitor or Ridge-tailed Monitor, is a species of monitor lizard that is native to northern and western Australia. They are known for their distinctive spiny tail, which gives them their name, and their relatively small size compared to other monitor lizards.

Ackie Monitors typically grow to around 2 to 3 feet (60 to 90 cm) in length, with males being slightly larger than females. They are carnivorous and feed on a variety of insects, small rodents, and other small animals. In the wild, they are found in arid regions such as rocky outcroppings, woodlands, and savannas.

As pets, Ackie Monitors require a large enclosure with plenty of space to climb and bask, as well as a heat source and UVB lighting. They can be somewhat challenging to care for, as they require specific environmental conditions and a varied diet, but they can also make fascinating and rewarding pets for experienced reptile keepers.

Ackie Monitor origin

The Ackie Monitor, also known as the Spiny-tailed Monitor or Ridge-tailed Monitor, is native to northern and western Australia. They are found in arid and semi-arid regions of Australia, such as rocky outcroppings, woodlands, and savannas. Specifically, their range extends from the Pilbara region in Western Australia through to the Northern Territory and into Queensland. In the wild, they are known to be active during the day and prefer to spend much of their time basking on rocks to regulate their body temperature.

Appearance and Behavior

The Ackie Monitor is a species of monitor lizard that is on the smaller side compared to other monitor lizards. Its maximum length ranges from around 2 to 3 feet (60 to 90 cm), with males normally being somewhat bigger than females. They have a stocky physique, with a large head, muscular torso, and powerful limbs that finish in sharp claws. They utilize these claws for climbing and digging, which contributes to their stocky appearance.

The spiny tail of the Ackie Monitor, which is coated in sharp, triangular scales that give it a rough, spiky look, is the most distinguishing characteristic of this species of monitor. The monitor lizard may use its tail as a weapon, lashing it out at would-be attackers to inflict excruciating wounds on them. This acts as a defense mechanism.

In terms of their demeanor, ackie monitors are often energetic and inquisitive lizards that are active during the day (active during the day). They are nimble climbers and spend a lot of time basking in the sun to maintain a consistent temperature throughout their bodies. They are also known to be gregarious creatures, and it is possible to find them living in small groups in their natural environments. During the mating season or when they are vying for resources, however, they are more likely to turn violent against one another.

Carnivorous by nature, Ackie Monitors consume a wide range of prey, such as insects, tiny rodents, and other small animals. They have a fast metabolism, thus they need to eat a wide variety of foods in order to keep their health in captivity.

Size and Lifespan

Adult Ackie Monitors generally develop to a length of between 2 and 3 feet (60 and 90 centimeters) in total length, which is on the smaller side in comparison to the vast majority of other monitor lizard species. Men are often somewhat bigger than females, and they have a stocky form with powerful limbs and keen claws that they utilize for climbing and digging. Males also tend to have a higher body temperature than females.

In terms of longevity, Ackie Monitors may survive for up to 20 years or more in captivity if they are given the appropriate amount of care and are housed in an environment that is suited for them. On the other hand, there is little information available on their lifetime in the wild.

It is important to keep in mind that the size of an Ackie Monitor and the length of its life can be affected by a wide range of factors, including as its nutrition, genetics, and the circumstances in its surroundings. When opting to add a new animal to your family, you need, just like you would with any other type of pet, conduct research to learn about its care needs and make certain that you are able to offer it an environment that is both acceptable and long-term.

Temperament and behavior

Ackie Monitors can have temperaments that range from submissive to more defensive and timid depending on the individual, and this is especially true when they are initially exposed to a new environment or method of handling. They may, however, grow fairly tame and habituated to the presence of humans if they are handled and interacted with on a frequent basis.

Ackie Monitors, which are sociable creatures, are likely to gain from having more space in their cage and from interacting with their owners, despite the fact that they may not be as cuddly as other types of pets, such as cats or dogs.

In most cases, Ackie Monitors are diurnal, which means that they are active during the daytime and sleep during the nighttime. They can only digest their food properly and be in excellent condition if they have access to a warm basking area as well as UVB illumination. It is vital to give them with a proper habitat that satisfies their demands in terms of temperature, humidity, illumination, and room to climb and explore. This is something that must be done with all reptiles.

In general, Ackie Monitors are inquisitive, energetic, and clever lizards that may make interesting pets for experienced reptile keepers who are prepared to offer the kind of care and attention that these lizards demand.

Enclosure and tank

For the sake of the Ackie Monitor’s health and well-being, it is imperative that an appropriate cage be provided for it. The lizard will be able to climb, dig, and move around freely in an environment that is both roomy and safe. This environment will also give sufficient space for sunbathing, hiding, and exploration. While constructing an enclosure for an Ackie Monitor, the following are some important considerations to make:

Size: Ackie Monitors need an enclosure that is rather spacious, with a minimum of 4 feet by 2 feet by 2 feet (120 centimeters by 60 centimeters by 60 centimeters) for a single adult, although a larger habitat is generally preferable. This will provide the lizard plenty of room to wander about and investigate its surroundings.


Since Ackie Monitors are burrowing lizards, they require a substrate that is rather deep so that they may dig. As a substrate, you can make use of coconut coir, play sand, or a combination of the two.


A basking area should have a basking place that is around 120 to 130 degrees Fahrenheit (49 to 54 degrees Celsius), and there should be colder portions on the other side of the cage. Temperatures throughout the night can decrease to between 75 and 80 degrees Fahrenheit (24 and 27 degrees Celsius).


Ackie Monitors require UVB illumination in order to manufacture vitamin D3 and keep their health in good standing. This lighting is necessary for Ackie Monitors. It is recommended that a UVB lamp be installed at one end of the cage and that it be changed every six to twelve months.

Hides and Enrichment

Provide the Ackie Monitor a wide selection of different places to hide, as well as rocks, branches, and other structures to climb on and investigate. They will be able to display behaviors that are natural to them and have a sense of safety as a result of this.

A small dish of water should be provided for the Ackie Monitor to drink from and soak in, and the enclosure’s humidity level should be kept at a consistent level. Make sure that the water is changed out every day.

In general, constructing an enclosure that is ideal for an Ackie Monitor calls for a lot of careful study and attention to detail. If you have any doubts or concerns, it is vital to check with an experienced reptile keeper or a veterinarian for advice. It is also important to do extensive study on their care requirements.


Maintaining a clean enclosure is essential for the health and well-being of your Ackie Monitor. A dirty enclosure can lead to the growth of harmful bacteria and parasites, which can cause health problems for your lizard. Here are some tips on how to keep your Ackie Monitor’s enclosure clean:

  1. Spot clean daily: Remove any feces and uneaten food from the enclosure daily to prevent the buildup of bacteria and parasites.
  2. Deep clean monthly: A deep clean of the enclosure is necessary once a month. Remove all decorations and substrate, clean them with a reptile-safe disinfectant, and rinse them thoroughly with water. Thoroughly clean the enclosure with a reptile-safe disinfectant and rinse it thoroughly with water.
  3. Replace substrate: Replace the substrate in the enclosure regularly, depending on how soiled it becomes. Deep cleaning is the best time to replace the substrate.
  4. Clean water bowl: Clean the water bowl daily with hot, soapy water and rinse it thoroughly.
  5. Wash your hands: Always wash your hands before and after handling your Ackie Monitor or anything in its enclosure. This will help prevent the spread of bacteria and parasites.
  6. Monitor for signs of illness: Regularly monitor your Ackie Monitor for signs of illness, such as lethargy, lack of appetite, or unusual behavior. If you notice any signs of illness, consult a veterinarian experienced with reptiles.

Overall, keeping an Ackie Monitor’s enclosure clean is essential for their health and well-being. By following these cleaning tips, you can ensure that your lizard lives in a safe and healthy environment.

Food and water

It is critical to the health and well-being of your Ackie Monitor that you provide it with a food that is well-balanced and rich in nutrients. The following are some suggestions as to what you should feed your Ackie Monitor and how you should replenish it with water:


Since Ackie Monitors are omnivores, their diet should include a wide variety of foods, including meat, vegetables, and different kinds of insects. Crickets, mealworms, superworms, roaches, ground turkey, and boiled eggs are all nutritious options for Ackie Monitors to choose from when it comes to their diet. They also love a wide selection of veggies, including carrots, squash, and greens, among others. It is essential to incorporate a variety of foods into their diet in order to guarantee that they get all of the essential nutrients.

The Ackie Monitor should be fed every day, and the amount and frequency of their meals will vary on their age and size. The feeding plan for Ackie Monitors is as follows: It’s possible that younger lizards need to eat more often than adults do, and it’s important to make sure that their meals are the right amount for their age and size.


Always keep a dish of water that is only a few inches deep within the enclosure. The water should be changed every day, and the dish should be cleaned on a regular basis. While though Ackie Monitors may get their water from the substrate or the food they eat, you should still provide them with a water dish.

Calcium and vitamin supplements

It is crucial to dust the food of the Ackie Monitor with calcium and vitamin supplements in order to guarantee that they acquire all of the essential nutrients. Calcium supplements should be dusted onto their diet once per week, and multivitamin supplements should be dusted upon their food once every two weeks as a decent rule of thumb.

It is important to refrain from feeding wild-caught insects: Wild-caught insects may have parasites or traces of pesticides that your Ackie Monitor should avoid coming into contact with. Either acquire them from a vendor who has a good reputation or raise them yourself for the greatest results.

In general, ensuring that your Ackie Monitor consumes a food that is both balanced and nutritious is critical to ensuring that it stays healthy and happy. You will be able to guarantee that your lizard obtains all of the required nutrients and maintains its health if you follow these guidelines for feeding and hydrating it.

Handling things to know

Ackie Monitors are able to be tamed and made docile with consistent handling; in fact, they may even begin to like interacting with people. Yet, in order to prevent causing them stress or damage, it is vital to treat them in a kind and polite manner at all times. The following is a list of some advice on how to operate an ackie monitor:

Beginning slowly: To start, you should give your Ackie Monitor some time to grow acclimated to your presence in the room. Spend time in the vicinity of their enclosure, engage in conversation with them, and give them food directly from your hand to foster a favorable association with your presence.

Make use of both hands: When you want to pick up your Ackie Monitor, make sure to use both hands to do it in a gentle scooping motion. Give them support by placing one hand under their front legs and the other hand under their back legs.

Avoid holding the tail because Ackie Monitors have a defensive mechanism that allows them to detach their tails, and the lizard may experience stress and pain if it loses its tail. To avoid this happening, you should avoid grasping the tail in any way.

Maintain a solid grasp: It is important to have a firm grip while you are supporting their body; nevertheless, you should avoid squeezing or providing pressure that might potentially be harmful.

Be on the lookout for indications of stress: Ackie Monitors may get anxious if they are held for an excessive amount of time, if they are handled improperly, or if they are uncomfortable. Keep an eye out for symptoms of stress, such as panting, hissing, or attempts to get away, and if the reptiles grow upset, place them back in their cage.

It is crucial to wash your hands before and after touching your Ackie Monitor to prevent the spread of bacteria or viruses to or from the lizard. Washing your hands both before and after handling the lizard is the best way to do this.

In general, the process of managing an Ackie Monitor may be a pleasurable experience for both the owner and the lizard in question. If you keep these handling suggestions in mind, you’ll be able to guarantee that your lizard is relaxed and at ease whenever it comes into contact with people.

Common Health Issues

Ackie Monitors, like all other types of pets, are susceptible to a variety of health problems; thus, it is vital to be aware of the most prevalent concerns that might arise with them. The following is a list of some of the most prevalent health concerns that may be experienced by Ackie Monitors:

Infections of the Respiratory Tract Respiratory infections are rather prevalent in Ackie Monitors and can be brought on by being exposed to low temperatures, moist substrate, or poor ventilation. Wheezing, breathing with the mouth open, and fatigue are all indications that an infection is present in the respiratory system. The treatment consists of increasing the temperature of the cage and ensuring adequate levels of humidity, in addition to administering medicine that has been recommended by a veterinarian.

Internal and external parasites are both possibilities for Ackie Monitors if they become infected with them. Diarrhea, tiredness, and lack of appetite are all symptoms that can be associated with parasite infections. The treatment consists of taking medication to rid the body of worms, in addition to cleaning the surroundings to get rid of any contaminated substrate.

Reptiles who don’t get enough calcium and other critical minerals are more likely to suffer from a disorder known as metabolic bone disease (sometimes known simply as metabolic bone disease). The presence of soft bones, difficulty walking or climbing stairs, and abnormalities are all indicators of metabolic bone disease. The treatment consists of giving a nutritious food, supplementation with calcium and vitamin D, and eliminating any environmental inadequacies that may exist.

Accidental injuries might happen if an Ackie Monitor is dropped or if it is handled incorrectly. Among the most common types of injuries include broken bones, burns, and cuts. If you observe any symptoms of an injury, you should get care from a veterinarian as soon as possible.

Egg binding is a disorder that can affect female Ackie Monitors. This ailment prevents the females from laying their eggs and is referred to as egg binding. Egg binding manifests itself in a number of ways, including tiredness, loss of appetite, and difficulty laying eggs. If you have any reason to believe that your Ackie Monitor is unable to pass eggs, you should get in touch with a veterinarian as soon as possible.

In general, it is essential to keep an eye on the health of your Ackie Monitor and to consult a veterinarian if you observe any symptoms of disease or damage in your pet. You can assist ensure the continued health and happiness of your Ackie Monitor by giving the necessary care and attending to any concerns regarding their health as soon as they arise.


Breeding Ackie Monitors is a complex process that requires careful planning and preparation. Here are some key factors to consider if you are interested in breeding Ackie Monitors:

  1. Age and size: Ackie Monitors should be at least 2-3 years old and large enough to breed before mating. Males typically need to be at least 20-24 inches long, while females should be at least 18-20 inches long.
  2. Temperatures and lighting: To encourage breeding, you need to create a suitable environment that mimics the natural breeding conditions for Ackie Monitors. You’ll need to provide a temperature gradient of 110-120°F on the hot end and 85-90°F on the cool end of the enclosure, along with a UVB light source to promote reproductive health.
  3. Diet and nutrition: Ackie Monitors require a balanced and nutritious diet to support breeding. You should feed your breeding pair a variety of insects and other protein sources, along with fresh fruits and vegetables.
  4. Mating behavior: Ackie Monitors are known for their aggressive mating behavior, with males often chasing and biting females during breeding. You should closely monitor the pair to ensure that they do not harm each other during this process.
  5. Egg incubation: After mating, female Ackie Monitors will lay a clutch of eggs, which will need to be incubated at specific temperatures and humidity levels. You can use a commercial incubator or a homemade incubation box for this purpose.

Breeding Ackie Monitors is a complex process that requires careful planning and preparation. It’s important to do your research and consult with experienced breeders or veterinarians before attempting to breed your lizards.


The price of an Ackie Monitor may change based on a number of criteria, including its age, size, and general health, in addition to its location and the degree to which it is readily available. In general, Ackie Monitors that are younger and smaller tend to be sold at lower prices than those that are older and larger.

The price of a juvenile Ackie Monitor may range anywhere from around $200 to $500 in the United States, while the price of an adult can be anywhere from $500 to $1,500 or even more. There is also the possibility that pricing will change based on the color morph, with more unique or rare color morphs demanding higher costs.

It is essential to keep in mind that the price of the Ackie Monitor is really one component of the overall cost of having one of these devices. In addition to this, you will need to factor in the expense of constructing an adequate enclosure, supplying food and supplements, and giving veterinary care as required.


As a conclusion, Ackie Monitors may be intriguing and satisfying pets for experienced reptile keepers who have the proper environment and care. Because of their one-of-a-kind appearances and behaviors, these lizards are fascinating to study and engage in conversation with. If given the appropriate care and attention, they are also capable of leading long and healthy lives. Nonetheless, it is crucial to be aware of the special demands of Ackie Monitors, like as their requirements for temperature and humidity, their feeding requirements, and any potential health concerns that may arise. You can contribute to the continued good health and contentment of your Ackie Monitor by providing it with an appropriate cage, a diet that is nutritionally sound, and routine veterinarian treatment. Whether you currently have an Ackie Monitor or are thinking about purchasing one, it is imperative that you conduct adequate study and seek the advice of knowledgeable reptile keepers or veterinarians in order to offer the highest level of care for your pet that is humanly feasible.