Australian tarantulas are large, burrowing spiders known for their impressive appearance and unusual ability to make a whistling or hissing sound. They can be fascinating animals to observe, but are they suitable pets? And how dangerous is their venom?
Keeping an Australian tarantula involves more than providing a container and a few crickets. These spiders have specific environmental needs, can deliver painful defensive bites, and may live for many years. Responsible ownership also means understanding wildlife laws and avoiding animals taken illegally from the wild.
This guide explores Australian tarantula identification, behavior, lifespan, enclosure requirements, feeding, venom, and the important facts prospective keepers should know.
1. What Is an Australian Tarantula?
Australian tarantulas belong to the family Theraphosidae, a group of large, hairy spiders found in many parts of the world. Australia’s native tarantulas are related to the better-known tarantulas of the Americas, but they differ in behavior, defensive characteristics, and habitat preferences.
They are often called whistling spiders or barking spiders. These names refer to their ability to produce a distinctive sound when disturbed, rather than any ability to vocalize like a mammal.
Australian tarantulas generally have robust bodies, thick legs, and colors ranging from pale brown to reddish brown or dark chocolate. Some individuals have a subtle silvery sheen.
How many species live in Australia?
Australian tarantula taxonomy is still developing. The Australian Museum recognizes described representatives of four genera in its overview: Selenocosmia, Selenotholus, Selenotypus, and Coremiocnemis. However, many Australian tarantulas remain undescribed, and scientific classifications may change as research progresses.
For this reason, claims that Australia has one fixed number of tarantula species should be treated cautiously. Even spiders sold under familiar names may be incorrectly identified.
2. Where Do Australian Tarantulas Live?
Australian tarantulas occur in a variety of environments, from tropical regions in Queensland to drier inland habitats. Different species have different distributions, so not every Australian tarantula is adapted to tropical humidity or desert conditions.
Adult females generally occupy silk-lined burrows in the ground. These retreats help provide protection from predators and buffer changes in environmental conditions.
Burrows documented by the Australian Museum can extend approximately 40–100 cm underground. The entrance may be surrounded by soil, grass, or a thin layer of silk that helps the spider detect passing prey.
Female tarantulas may remain in the same burrow for much of their lives. Mature males are more likely to wander, especially when searching for females during the breeding season.
Because many species are secretive and spend significant time underground, a healthy Australian tarantula may be rarely visible even in a well-designed enclosure.
3. Are Australian Tarantulas Venomous?
Yes. All Australian tarantulas are venomous. They inject venom through their fangs to subdue prey and may bite defensively when disturbed.
Venomous and poisonous are not interchangeable terms. A venomous spider delivers toxins through a bite, whereas a poisonous organism causes harm when its toxins are ingested or otherwise absorbed.
How dangerous is an Australian tarantula bite to humans?
A confirmed Australian tarantula bite can be painful. The spiders have substantial fangs, and reactions can include puncture wounds, local swelling, and occasionally systemic symptoms such as nausea or vomiting.
However, severe human envenomation is uncommon in the published clinical evidence.
A study published in Toxicon in 2003 examined nine confirmed human bites from Australian theraphosid spiders. None produced major effects, although several involved severe local pain.
This does not mean their bites are harmless or that every individual will react identically. Unusual, persistent, or worsening symptoms require medical assessment.
Important bite safety information: Do not assume an unidentified large, dark spider is a tarantula. Australian funnel-web spiders can require emergency treatment. If the spider is unidentified and could be a funnel-web, call 000 in Australia and follow emergency first-aid instructions.
Are Australian tarantulas dangerous to dogs?
The risks to dogs are considerably more serious than those generally documented in humans.
In the same 2003 study, researchers documented seven confirmed Australian tarantula bites involving dogs. All seven dogs died, with some deaths occurring within two hours.
These were seven documented cases, not a measurement of the fatality rate of every tarantula bite in dogs. Nevertheless, the findings demonstrate that Australian tarantula venom can be extremely dangerous to canines.
Dogs should never be allowed to investigate a tarantula or its enclosure. If a dog is bitten or a bite is suspected, seek emergency veterinary care immediately.
4. Are Australian Tarantulas Aggressive?
Australian tarantulas are generally defensive rather than actively aggressive toward people. They do not hunt humans and usually prefer to remain hidden or avoid unnecessary disturbance.
However, their defensive reactions can be dramatic.
When threatened, a tarantula may raise its front legs, expose its fangs, produce a hissing or whistling sound, or attempt to bite if it cannot escape.
Why do Australian tarantulas whistle?
The sound is produced through stridulation, a process involving specialized structures that rub together on the spider’s mouthpart region.
This can create a whistling, buzzing, or hissing noise, particularly when the spider adopts a defensive posture. The sound may help discourage potential predators.
Not all individual tarantulas respond to disturbance in the same way. Temperament varies between species and individuals, and a calm spider can react quickly when startled.
Remember: A tarantula raising its legs, hissing, or exposing its fangs is communicating distress. Stop the disturbance and give the animal space rather than attempting to touch it.
5. What Is Australia’s Largest Tarantula?
The Queensland whistling spider, commonly associated with Selenocosmia crassipes, is among Australia’s best-known large tarantulas.
Australian tarantulas as a group can reach impressive dimensions. The Australian Museum lists a body-length range of approximately 2–11 cm and leg spans reaching 20 cm, with fangs that can approach 1 cm.
However, identifying a single definitive largest species is complicated by incomplete taxonomy, uncertain species identifications, and differences between body-length and leg-span measurements.
Size alone is also an unreliable identification feature. For example, Australian huntsman spiders can have very large leg spans but belong to a different spider family.
6. Do Australian Tarantulas Make Good Pets?
Australian tarantulas can be rewarding for people who enjoy observing invertebrates and understanding natural behavior. However, they are not suitable pets for everyone.
Unlike many familiar companion animals, tarantulas do not seek human affection or social interaction. Their wellbeing depends primarily on suitable housing, appropriate food, access to water, and freedom from unnecessary disturbance.
Potential advantages
- Fascinating behavior: Burrowing, ambush hunting, web construction, and molting provide opportunities for natural-history observation.
- Relatively modest space requirements: A properly designed terrestrial enclosure can provide sufficient room without requiring a large living area.
- Quiet lifestyle: Tarantulas do not vocalize continuously and are generally inactive for much of the day.
- Long-term observation: Keepers may follow a spider’s growth and behavior over several years.
Important disadvantages
- Defensive bites can be painful and should not be underestimated.
- Some specimens spend most of their time hidden underground.
- Incorrect housing conditions may cause injury or chronic stress.
- Live feeder insects and careful enclosure maintenance are required.
- Legal restrictions and licensing may apply.
- A tarantula may represent a commitment lasting many years.
For beginners, the most important question is not which Australian tarantula can be handled, but whether the keeper can meet the spider’s needs without handling it.
7. Australian Tarantula Care: Housing and Environment
Because Australian tarantulas originate from different ecological regions, no single temperature, humidity level, or enclosure specification is appropriate for every species.
A care plan should begin with reliable species identification and information about the natural conditions experienced by that species.
Choosing an enclosure
A suitable enclosure should provide a secure lid, adequate ventilation, sufficient floor space, and room for the spider to construct a retreat.
Australian tarantulas can grip surprisingly smooth surfaces, including glass and plastic. An unsecured enclosure therefore presents a genuine escape risk.
For terrestrial species, unnecessary enclosure height should be avoided. A fall from an elevated surface can seriously injure a tarantula’s abdomen.
Substrate and burrowing space
Many Australian tarantulas require substantial substrate depth rather than a shallow decorative layer.
Suitable substrate materials may include chemical-free soil or other appropriate burrowing mixtures. The substrate should support a stable retreat without collapsing around the spider.
Moisture requirements vary. Some species need access to a moisture gradient, while others are adapted to relatively dry surface conditions. Keeping the entire enclosure saturated can promote mold and create unsuitable conditions.
Providing a partially sheltered starting burrow can encourage natural retreat-building without forcing the spider to remain exposed.
Temperature and humidity
Temperature and humidity must be matched to the identified species, its developmental stage, and its natural habitat.
Avoid direct sunlight, abrupt temperature changes, unregulated heat sources, and excessively hot enclosures. Use suitable monitoring equipment to check actual conditions rather than relying on room temperature alone.
If supplementary heating is genuinely required, it should be controlled and arranged so that the spider can retreat from excessive warmth. Seek species-specific guidance from an experienced keeper or qualified invertebrate professional before installing heating equipment.
Water and ventilation
Provide accessible fresh water in a suitable shallow dish, selected with the spider’s size in mind. Maintain an appropriate moisture gradient without making the enclosure stagnant or waterlogged.
Ventilation is important even for species that naturally occupy humid underground retreats. The objective is a stable, suitable microclimate, not an airtight enclosure.
| Care factor | Recommended approach |
|---|---|
| Enclosure | Secure, terrestrial, well-ventilated, and escape-resistant |
| Substrate | Deep enough for natural burrowing; composition suited to the species |
| Temperature | Species-specific; avoid overheating and abrupt changes |
| Humidity | Maintain an appropriate moisture gradient without waterlogging |
| Water | Fresh water available in a suitable shallow dish |
| Housing arrangement | Keep individually unless a qualified specialist provides a compelling species-specific reason otherwise |
| Handling | Avoid routine handling |
8. What Do Australian Tarantulas Eat?
In the wild, Australian tarantulas are ambush predators. They often wait near their burrow entrances for passing animals before capturing them with their powerful front legs and fangs.
Their natural diet includes insects and other spiders. Larger individuals may occasionally capture frogs, lizards, or other small vertebrates.
Despite the nickname “bird-eating spider,” birds are not a typical staple of their diet.
Feeding a pet Australian tarantula
Captive tarantulas are generally fed appropriately sized feeder insects, such as crickets or suitable feeder roaches.
Feeding frequency depends on the spider’s size, age, condition, and environmental temperature. Growing spiderlings usually have different nutritional requirements from mature adults.
- Offer appropriately sized, commercially sourced feeder insects.
- Avoid wild-caught insects that may carry pesticide residues or parasites.
- Remove uneaten live prey, particularly when the spider is preparing to molt.
- Do not force-feed a spider that is fasting.
- Monitor body condition rather than following an inflexible feeding schedule.
There is generally no need to feed captive tarantulas vertebrate prey such as mice. Appropriately selected invertebrate prey is a more practical routine feeding option.
9. How Long Do Australian Tarantulas Live?
Australian tarantula lifespan varies according to species, sex, environmental conditions, and individual development.
Females generally live longer than males. The Australian Museum reports that females of Selenocosmia stirlingi may live up to approximately 12 years, while males typically die after mating at around five years of age.
Queensland Government guidance emphasizes that some captive tarantulas can represent a commitment of 10–20 years.
These figures should not be interpreted as guaranteed lifespans for every species. They illustrate why prospective owners must consider long-term housing and care before acquiring an animal.
10. Molting: Why Your Tarantula May Stop Eating
Like other spiders, Australian tarantulas grow by shedding their external skeleton in a process called molting or ecdysis.
A tarantula preparing to molt may become less active, refuse food, remain hidden, or produce additional silk around its retreat.
Some tarantulas molt while lying on their backs. This can appear alarming to inexperienced keepers, but it is a documented normal behavior.
What should you do during a molt?
- Do not handle or attempt to turn the spider over.
- Avoid unnecessary vibrations or disturbance.
- Remove live feeder insects that could injure a vulnerable spider.
- Maintain appropriate environmental conditions.
- Allow the new exoskeleton and fangs to harden before feeding again.
The time required to recover from molting varies with the spider’s age and size. A difficult or incomplete molt may require advice from a veterinarian experienced with invertebrates.
Common misconception: A tarantula lying on its back is not necessarily dying. However, a spider with its legs tightly curled underneath its body may be unwell. If you suspect a genuine health emergency, seek knowledgeable veterinary advice rather than attempting invasive home treatments.
11. Can You Handle an Australian Tarantula?
Routine handling is not recommended.
Australian tarantulas do not require physical contact for enrichment or social interaction. Picking one up creates unnecessary risks for both the spider and the keeper.
A startled spider may bolt, bite, or fall. Even a relatively short fall onto a hard surface may cause serious injury, especially to a large-bodied specimen.
The Australian Museum specifically advises tarantula keepers against handling these animals and recommends care when cleaning their enclosures.
For necessary enclosure transfers, experienced keepers commonly use secure containers and appropriate tools rather than bare hands. The procedure should minimize disturbance and provide controlled containment throughout.
12. Is It Legal to Keep an Australian Tarantula as a Pet?
Wildlife regulations vary across Australian states and territories. Permission to keep a native tarantula in one jurisdiction does not automatically authorize possession, purchase, or transport elsewhere.
In Queensland, the government states that keeping tarantulas requires an appropriate wildlife licence and acquisition through an authorized seller. Animals supplied legally may be captive-bred or sourced under applicable authorized harvesting arrangements.
Unlicensed collection from the wild is illegal in Queensland and can damage populations of spiders that are still poorly understood.
Why captive breeding matters
Some Australian tarantula species may have limited geographical ranges. Removing mature breeding adults from isolated populations can threaten local biodiversity.
The Australian Museum has expressed concern about collection for the pet trade, particularly in northern Queensland.
Before purchasing a tarantula, verify current local regulations, the seller’s authorization, and the animal’s documented origin. Captive-bred specimens from lawful sources should be preferred.
Never release an unwanted captive tarantula into the wild. Captive animals may carry diseases or parasites and may not belong to the local ecosystem.
13. What Should You Do If an Australian Tarantula Bites?
If a spider is confidently identified as an Australian tarantula and someone is bitten, the immediate priority is to remain calm, avoid further contact, and assess the person’s symptoms.
- Move away from the spider without attempting to handle it.
- Wash the bite site gently with soap and water.
- Apply a cold pack wrapped in cloth to help relieve local pain and swelling.
- Monitor for worsening pain, vomiting, dizziness, breathing difficulties, or other systemic symptoms.
- Seek medical attention for severe, persistent, unusual, or worsening symptoms.
Call emergency services immediately if the person develops difficulty breathing, collapses, or shows signs of a severe allergic reaction.
If the spider is unidentified, especially if it resembles a large dark funnel-web spider, do not rely on the general tarantula advice above. Treat possible funnel-web bites as emergencies and follow Australian emergency guidance, including pressure immobilization where indicated.
In Australia, the Poisons Information Centre can provide advice on 13 11 26. For a medical emergency, call 000.
14. Australian Tarantula Facts and Frequently Asked Questions
Are Australian tarantulas poisonous or venomous?
They are venomous, not poisonous in the ordinary biological sense. Their venom is delivered through their fangs during a bite.
Can an Australian tarantula kill a human?
Confirmed human bites generally produce local symptoms, and the published case series of nine confirmed bites reported no major effects. Nevertheless, their bites can be painful, individual reactions vary, and unidentified spider bites should never be dismissed.
Can Australian tarantulas kill dogs?
Yes. Fatal dog envenomations have been documented. In one published series, seven dogs died after confirmed Australian tarantula bites. Any suspected bite to a dog requires immediate veterinary attention.
Are Australian tarantulas suitable for beginners?
They are generally better suited to keepers who understand burrowing species, enclosure management, defensive behavior, and the risks associated with venomous animals. They should not be selected as pets for regular handling.
Do Australian tarantulas bite without warning?
They may display defensive signals such as raised front legs or stridulation. However, individual reactions vary, and a startled or restrained spider may bite quickly. Never rely on receiving a warning before a bite.
Why is my Australian tarantula always hiding?
Hiding and burrowing are natural behaviors. A tarantula spending long periods underground is not necessarily unhealthy. Check the enclosure conditions and watch for other signs of distress rather than trying to force the spider into view.
How often should an Australian tarantula eat?
Feeding depends on species, age, size, and environmental conditions. Juveniles often feed more frequently than adults. Some healthy spiders may fast during cooler periods or before molting.
Are Australian tarantulas the same as funnel-web spiders?
No. Australian tarantulas belong to Theraphosidae, while Australian funnel-web spiders belong to Atracidae. Although both are mygalomorph spiders, they differ significantly in identification and medical importance. Read our guide to identifying funnel-web spiders.
15. Final Thoughts: Should You Keep an Australian Tarantula?
Australian tarantulas are remarkable animals with distinctive defensive behaviors, sophisticated burrows, and a fascinating natural history. Their popularity as exotic pets is understandable, but successful ownership requires patience, careful preparation, and respect for their biology.
They are best regarded as animals to observe rather than companions to hold. Their venom deserves caution, their environmental requirements should be researched at the species level, and their long lifespan should never be underestimated.
If you are interested in Australian burrowing spiders, you may also enjoy learning about Australian trapdoor spiders, another fascinating group with specialized underground lifestyles.
Ultimately, the most responsible approach is to appreciate these spiders in their natural environment or, where permitted, maintain legally acquired animals under appropriate captive conditions.
References and Further Reading
- Australian Museum. “Australian Tarantulas.” Updated December 10, 2025. Information on identification, distribution, habitat, reproduction, lifespan, and venom.
- Queensland Government. “Australian Tarantulas (Family Theraphosidae).” Updated July 9, 2026. Information on wildlife licensing, legal acquisition, conservation, and responsible ownership.
- Isbister and colleagues. “Bites by Spiders of the Family Theraphosidae in Humans and Canines.” Toxicon, 2003. Clinical observations of confirmed human and canine bites.
- Healthdirect Australia. “Spider Bites.” Australian medical guidance on bite symptoms, first aid, and emergency assessment.
