Content Updated : July 2, 2026
Do Huntsman Spiders Bite? What Every Australian Homeowner Should Know
If you’ve ever spotted a large huntsman spider on your bathroom wall or ceiling, you’ve probably wondered, do huntsman spiders bite? The answer is yes, but bites are uncommon and usually occur only when the spider feels threatened or is accidentally handled. Despite their large size and fast movements, huntsman spiders are not aggressive and generally prefer to escape rather than bite.
Found throughout Australia, from suburban Sydney homes to rural properties, huntsman spiders are among the country’s most recognisable arachnids. Their long legs and impressive speed often make them appear more dangerous than they really are. In fact, a huntsman spider bite is typically mild, causing temporary pain, redness, or swelling, and serious reactions are extremely rare.
Understanding why huntsman spiders bite, how to recognise the symptoms, and what first aid to apply can help you respond calmly if you ever encounter one. This guide also explains whether huntsman spiders are venomous, where they commonly hide, how to reduce spider activity around your home, and when professional spider pest control may be the best solution. By separating myths from facts, you’ll gain a better understanding of these beneficial Australian spiders and learn how to manage them safely and confidently.
What Is a Huntsman Spider?
The huntsman spider is one of Australia’s most well-known and frequently encountered spider species. Belonging to the Sparassidae family, these spiders are found across every Australian state and territory, from urban homes to bushland and rural properties. Unlike orb-weaving spiders that rely on webs to catch prey, huntsman spiders are active hunters, using their speed and excellent eyesight to capture insects such as cockroaches, flies, moths, and crickets.
Huntsman spiders are easy to recognise by their large, flattened bodies and long, crab-like legs, which allow them to move quickly across walls, ceilings, tree trunks, and fences. Their colouring ranges from grey and brown to mottled shades, helping them blend naturally into tree bark, timber, and outdoor surfaces.
Adult huntsman spiders can have a leg span of up to 15 centimetres or more, making them one of the largest spiders commonly seen around Australian homes. Despite their intimidating appearance, they are generally shy, avoid human contact, and play an important role in controlling insect populations. Learning more about their behaviour can help homeowners understand why they occasionally enter houses and why sightings don’t necessarily mean there’s a serious spider problem.
Do Huntsman Spiders Bite Humans?
Yes, huntsman spiders can bite humans, but bites are rare and usually occur only when the spider feels threatened or has no way to escape. Despite their large size and intimidating appearance, huntsman spiders are naturally shy and prefer to avoid people whenever possible. Their first instinct is to run away rather than defend themselves.
A huntsman spider bite most commonly happens when the spider is accidentally trapped against the skin. This can occur if it is hiding inside a shoe, clothing, towel, gardening gloves, or behind a car sun visor and becomes compressed when the item is handled. Female huntsman spiders guarding their egg sacs may also act more defensively if disturbed.
During normal household encounters, huntsman spiders are far more likely to dart across a wall, ceiling, or floor in search of a safe hiding place than to stand their ground. They do not actively chase or attack people, and unprovoked bites are extremely uncommon. Understanding their behaviour can help reduce unnecessary fear and prevent accidental bites. If left undisturbed or gently relocated outdoors, huntsman spiders usually pose little risk to people while continuing to play a valuable role in controlling household insects.
What Happens If a Huntsman Spider Bites You?
A huntsman spider bite is usually mild and resolves without serious medical treatment. Most people describe the bite as feeling similar to a bee sting—a sharp, sudden pain followed by temporary discomfort. Although huntsman spiders have relatively large fangs, their venom is considered low risk to humans, and severe reactions are uncommon.
Common symptoms of a huntsman spider bite include:
- Immediate sharp pain at the bite site.
- Redness and mild swelling around the affected area.
- Itching or irritation near the puncture marks.
- Minor bleeding in some cases due to the size of the spider’s fangs.
- Tenderness that usually improves within a day or two.
In rare cases, some people may experience mild symptoms such as nausea, headache, or slight dizziness. These reactions are generally short-lived and resolve without complications. Serious allergic reactions are extremely uncommon but should always be treated as a medical emergency.
There have been no recorded fatalities in Australia caused by a huntsman spider bite. Unlike more medically significant spiders, huntsman spiders do not possess venom that typically causes severe systemic illness in healthy adults. If symptoms worsen, signs of infection develop, or you experience difficulty breathing, seek immediate medical attention. Otherwise, basic first aid and monitoring are usually all that’s required for a full recovery.
Are Huntsman Spiders Dangerous or Venomous?
Many people assume that because huntsman spiders are large, they must also be highly dangerous. In reality, while huntsman spiders are venomous, their venom is designed to immobilise insects such as cockroaches, moths, flies, and other small prey—not to seriously harm humans. Like almost all spiders, they possess venom, but that doesn’t mean they pose a significant medical risk.
For most healthy adults, a huntsman spider bite causes only mild, short-term symptoms such as pain, redness, or swelling around the bite site. Their venom is not classified as medically significant in Australia, making huntsman spiders very different from species such as the Sydney funnel-web spider or the redback spider, whose bites require urgent medical attention and, in some cases, antivenom treatment.
Across Australia, the majority of reported spider bites—including those from huntsman spiders, wolf spiders, and common house spiders—result in only localised discomfort that resolves within a few days. Serious complications are rare, and huntsman spiders are not considered one of Australia’s dangerous spider species.
If you’d like to learn more about their venom, toxicity, and how they compare with other Australian spiders, read our detailed guide: Are Huntsman Spiders Venomous?
Why Do Huntsman Spiders Enter Australian Homes?
Understanding huntsman spider behaviour helps explain why they occasionally appear inside Australian homes. Although a huntsman spider bite is uncommon, encounters become more likely during the warmer months when these spiders are more active. Late spring and summer are their busiest seasons, as they search for food, shelter, and mates.
Huntsman spiders are commonly attracted to:
- Gaps around doors, windows, roof eaves, and vents that provide easy entry.
- Garages, sheds, woodpiles, and storage areas where they can hide during the day.
- Dark, quiet spaces such as behind furniture, curtains, cupboards, or wall decorations.
- Homes with plenty of insects, including cockroaches, flies, moths, and mosquitoes, which are their primary food source.
It’s important to remember that huntsman spiders do not enter homes to interact with people. They are simply looking for a safe place to shelter and hunt insects. In fact, they can be beneficial by naturally reducing populations of common household pests. If you regularly notice huntsman spiders indoors, it may indicate an abundance of insects or easy access points around your property. Sealing entry gaps, reducing outdoor lighting that attracts insects, and keeping your home tidy can help minimize spider activity while allowing these beneficial predators to remain in their natural outdoor environment.
First Aid for a Huntsman Spider Bite
If you or a family member experiences a huntsman spider bite, there’s no need to panic. Here’s a simple, practical approach:
- Stay calm. The bite is very unlikely to cause serious harm.
- Wash the bite site with soap and water to reduce the risk of infection.
- Apply a cold compress for 10–15 minutes to ease swelling and discomfort.
- Take an over-the-counter pain reliever, such as paracetamol, if needed.
- Monitor the area over the next 24 hours for unusual swelling, spreading redness, or signs of infection.
Unlike bites from dangerous Australian spiders, a pressure immobilisation bandage is not required for a huntsman spider bite. That treatment is reserved for bites where venom could spread through the lymphatic system and cause serious illness, such as funnel-web or mouse spider bites.
You should seek medical attention if:
- The person bitten is a young child, elderly, or has known allergies
- Swelling spreads well beyond the bite site
- Signs of an allergic reaction appear, such as difficulty breathing, facial swelling, or a rapid heartbeat
- Pain becomes severe or doesn’t improve after a day
Severe allergic reactions to huntsman spider bites are uncommon, but as with any insect or spider bite, individual sensitivity can vary.
Huntsman Spiders vs Other Common Australian Spiders
Many Australians assume that because huntsman spiders are large, they are also among the most dangerous. In reality, size doesn’t determine how dangerous a spider is. While huntsman spiders can have a leg span of up to 15 centimetres, they are generally shy and far less dangerous than some other Australian spider species.
Here’s how huntsman spiders compare with other common spiders:
- Huntsman Spiders: Large, fast-moving, and non-aggressive. A huntsman spider bite is uncommon and usually causes only mild pain, redness, and swelling.
- Redback Spiders: Smaller web-building spiders commonly found in sheds, outdoor furniture, and garages. Their bites can cause severe pain and may require medical treatment or antivenom.
- Sydney Funnel-web Spiders: Mainly found in New South Wales, these highly venomous spiders live in burrows and require immediate emergency medical attention if they bite.
- White-tailed Spiders: Active hunting spiders that occasionally enter homes. Their bites typically cause localised pain and swelling, although serious complications are uncommon.
Learning to identify these spiders can help you respond appropriately. Huntsman spiders are easily recognised by their flattened bodies, long, sideways-jointed legs, and fast movements across walls and ceilings. Unlike redbacks or funnel-web spiders, they do not rely on webs or burrows to catch prey, making them easier to distinguish during household encounters.
Should You Remove Huntsman Spiders From Your Home?
Many Australians choose to leave huntsman spiders alone precisely because of the pest control benefits they offer. A single huntsman can significantly reduce the number of cockroaches, flies, moths, and mosquitoes in a home, working quietly overnight while everyone sleeps. If you’re comfortable sharing your space with one, it can genuinely reduce your need for chemical insect treatments.
That said, not everyone wants a large, fast-moving spider sharing their living room — and that’s completely reasonable too. If huntsman spiders (or other pests) are becoming a recurring issue in your home, professional spider pest control can help strike the right balance. A qualified pest technician can identify entry points, treat problem areas, and reduce spider activity without resorting to unnecessary chemical use throughout the home.
Simple Ways to Reduce Huntsman Spider Encounters
If you’d prefer to keep huntsman spiders outdoors, a few preventative steps go a long way:
- Seal cracks and gaps around doors, windows, and roof eaves
- Fit and maintain flyscreens on windows and doors
- Reduce clutter in garages, sheds, and storage areas where spiders like to hide
- Keep woodpiles and outdoor debris away from the house
- Address insect populations, since fewer bugs means less reason for spiders to move in
- Check shoes, gloves, and clothing left outdoors before putting them on
While these steps can significantly reduce spider activity, they may not eliminate recurring problems. If huntsman spiders continue appearing indoors or you’re dealing with multiple spider species, professional spider pest control is the most effective solution. An experienced technician can identify entry points, treat problem areas, and safely get rid of huntsman spiders while helping prevent future infestations with targeted, long-lasting treatments. .
Final Thoughts
So, do huntsman spiders bite? Yes—but bites are uncommon and usually occur only when the spider feels threatened or is accidentally handled. For most healthy adults, a huntsman spider bite causes only mild symptoms such as temporary pain, redness, and swelling that improve with basic first aid.
Although huntsman spiders may look intimidating, they play an important role in controlling insects around Australian homes and are generally considered beneficial. Understanding their behaviour, knowing how to respond to a bite, and taking simple prevention measures can help you safely coexist with these native spiders.
If you’re regularly finding huntsman spiders or other spider species around your property, professional spider pest control can help reduce spider activity and identify any higher-risk species. At EMK Termite & Pest Control Sydney, we provide safe, effective, and reliable spider control services for homes and businesses across Sydney. Contact our experienced team today for a thorough inspection and tailored pest management solutions that keep your property protected year-round.
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