Phidippus audax is an excellent beginner pet, with one honest caveat. Captive-bred individuals are curious, adaptable, and manageable for a first-time keeper. Wild-caught individuals carry unknown parasite loads, have unpredictable temperaments, and often never fully tame down. Choose captive-bred and you get a genuinely rewarding spider. Choose wild-caught and you are taking a gamble that experienced keepers have learned to avoid.
That is the short answer. The rest of this guide gives you everything else: what makes the bold jumping spider different from P. regius, how to set up its enclosure, what to feed it at every life stage, how to read a molt, and how to handle the personality variation that makes this species both exciting and occasionally surprising.
Key Takeaways
- Phidippus audax is North America’s most widespread large jumping spider, found coast to coast.
- Adults are 8–19 mm (females larger) with a black body, white or orange spots, and iridescent green chelicerae that confirm species ID.
- Captive-bred individuals are generally handleable and curious; wild-caught individuals are variable and often remain defensive.
- Temperature range: 20–29°C. Humidity: 40–60%. This is a wider tolerance than P. regius needs.
- Feed spiderlings flightless fruit flies; adults take crickets, roaches, or bottle flies every 3–5 days.
- Minimum adult enclosure: 20 cm tall with cross-ventilation. Taller is always better for an arboreal spider.
- Lifespan is 1–3 years; females consistently outlive males.
- Wild collection is legal in most US states, but captive-bred is the better choice on welfare and practical grounds.
What is Phidippus audax? (featured snippet)
Phidippus audax, the bold jumping spider, is North America’s most common large jumping spider. Adults reach 8–19 mm with a black, hairy body marked with white or orange spots and iridescent green chelicerae. They are diurnal, curious, and considered beginner-friendly when captive-bred. Wild-caught individuals require a 4–6 week quarantine and may never tame down.
Species profile at a glance
| Characteristic | Detail |
|---|---|
| Scientific name | Phidippus audax |
| Common names | Bold jumping spider, daring jumping spider |
| Adult body length | 8–19 mm (females larger) |
| Native range | North America: coast to coast, into Mexico and southern Canada |
| Activity pattern | Diurnal (daytime active) |
| Lifespan, female | 2–3 years |
| Lifespan, male | 9–14 months |
| Temperature | 20–29°C |
| Humidity | 40–60% |
| Enclosure size (adult) | 15 × 15 × 20 cm minimum; 20 × 20 × 30 cm preferred |
| Temperament | Variable; captive-bred individuals usually curious and handleable |
| Experience level | Beginner (captive-bred) |
| Typical CB price | $15–$35 slings; $30–$60 adults |
What a bold jumping spider looks like
The body is black and densely hairy, marked with a pattern of white spots on the abdomen. Many individuals also show orange or yellow spots; the exact pattern varies by region and individual, which is part of what makes them enjoyable to observe. The most reliable identification feature is the chelicerae: the fang-bearing mouthparts flash an intense iridescent green (sometimes blue-green) when light hits them at the right angle.
This color is not just interesting. It is the fastest way to confirm you are looking at a Phidippus rather than a different genus.
Females are noticeably larger than males. Males are smaller, more intensely patterned, and shorter-lived. If you are buying a single spider and want the longest relationship, ask for a confirmed female or wait until the spider is old enough to sex visually.
P. audax vs. P. regius: which should you get?
If you are deciding between the bold jumper and the regal jumping spider, this table gives you the honest comparison.
| Feature | P. audax (bold) | P. regius (regal) |
|---|---|---|
| Adult size | 8–19 mm (females to 19 mm) | 12–22 mm (females larger) |
| Native range | All of North America | Southeastern US, Caribbean |
| CB availability | Growing; good hobby breeders available | Excellent; widely available |
| Typical CB cost | $15–$35 slings; $30–$60 adults | $20–$45 slings; $40–$80 adults |
| Temperament (CB) | Curious but more variable | Consistently calm and confident |
| Handleability (CB) | Generally good; some individuals remain defensive | Generally excellent from a young age |
| Handleability (WC) | Unpredictable; often defensive long-term | Uncommon as WC |
| Temperature range | 20–29°C, wider tolerance | 24–28°C, prefers warmer |
| Humidity | 40–60% | 50–65% |
| Best for | Keepers who want a US-native species with high availability | Keepers who prioritize consistent handleability |
The honest take: if handleability is your first priority, start with P. regius. If you want a species with a wider temperature tolerance, or you simply love the idea of keeping the most quintessentially North American jumping spider, P. audax is a strong choice. Just buy captive-bred.
For a deeper look at the regal jumping spider, see the Phidippus regius care guide. For a broader introduction to the genus and species selection, the jumping spider care guide is the right starting point.
Enclosure setup
Bold jumping spiders are arboreal. They live and hunt in vertical space, build their silk retreat at height, and feel exposed on the ground. Every enclosure decision follows from this.
Size by life stage
| Life stage | Minimum dimensions (W x D x H) |
|---|---|
| Spiderling (instar 1–3) | 6 × 6 × 10 cm |
| Juvenile (instar 4–6) | 12 × 12 × 18 cm |
| Sub-adult / adult | 15 × 15 × 20 cm minimum; 20 × 20 × 30 cm preferred |
The 20 cm height minimum for adults is a hard floor. Going smaller forces the spider to hunt at low altitude and makes it harder to maintain a humidity gradient. Larger is always fine. P. audax is a confident explorer and will use the full space.
Ventilation
Cross-ventilation is non-negotiable. Stagnant air causes mold, fungal infections, and respiratory stress. You need airflow entering from one side and exiting from another: a mesh top plus side vents, or a mesh front plus mesh top. Front-opening enclosures make feeding and maintenance easier without disturbing an aerial retreat anchored at the top.
Substrate and décor
Use 3–5 cm of substrate on the floor: coconut fibre, sphagnum moss, or a 50/50 mix. It holds some humidity, cushions falls, and provides a natural look.
For climbing and anchor points, position these in the upper third of the enclosure:
- Cork bark (rounds or flats): natural, resists mold, easy to replace as needed
- Bamboo skewers or thin branches: the spider will anchor its hammock-style retreat between two parallel points
- Silk or live plants: add more climbing surfaces and visual enrichment
The retreat will almost certainly end up in the upper third. Give the spider several good anchoring options up there from day one.
Lighting
10–12 hours of bright light per day. Bold jumping spiders are visual hunters; poor light suppresses appetite and hunting drive. A simple LED strip or desk lamp on a timer covers this reliably.
Temperature and humidity
One genuine advantage P. audax has over P. regius is temperature tolerance. These are widespread spiders adapted to conditions from Minnesota winters to Texas summers. In captivity, they do not need a tightly controlled environment.
Temperature: 20–29°C during active periods. A comfortable room temperature of 22–25°C is suitable for most of the year. If your home drops below 18°C in winter, use a low-wattage heat source: a heat mat on the side wall (never underneath the enclosure), or a small lamp on a thermostat.
Humidity: 40–60% ambient. This is drier than P. regius prefers, and it matters. Do not over-mist a bold jumping spider. Mist one corner or a clump of sphagnum moss every 2–3 days and let the rest of the enclosure dry out between sessions. The spider will drink from droplets on the glass. The dry side should feel noticeably drier at all times to prevent respiratory issues.
Feeding
What to feed at each life stage
| Life stage | Recommended feeders | Frequency |
|---|---|---|
| Spiderling (instar 1–3) | D. melanogaster (small flightless fruit flies), springtails | Every 1–2 days |
| Juvenile (instar 4–6) | D. hydei (large flightless fruit flies), small crickets | Every 2–3 days |
| Sub-adult / adult | Crickets, dubia roaches, bottle flies, waxworms (occasional treat) | Every 3–5 days |
The standard rule applies throughout every stage: prey should be no longer than half the spider’s body length. Too-large prey stresses the spider and can cause injury during the hunt, especially with spiderlings that cannot overpower a large, struggling cricket.
Gutload your feeders for 24 hours before offering them: fresh vegetables, oats, or commercial gutload product. This step takes 2 minutes and makes a real difference to the nutritional quality of each meal.
Always remove uneaten prey within 24 hours. A loose cricket in an enclosure with a resting or pre-molt spider is a genuine welfare risk and a common cause of injury.
Bold jumping spiders are enthusiastic hunters. A healthy, warm, well-lit adult will stalk prey from across the enclosure and strike with precision. If yours is doing this, you are doing the care right.
Molting
Molting is how your spider grows. Every size increase requires shedding the old exoskeleton and expanding into a new one. P. audax molts roughly every 3–5 weeks as a spiderling, with progressively longer gaps as it matures. Adult females may go several months between molts in their later life.
For a complete walkthrough of what to expect, see the jumping spider molting guide.
Signs a molt is coming
- Food refusal for 1–2 weeks (sometimes longer before the adult maturation molt)
- Spider retreats into its hammock and barely emerges
- Abdomen appears darker, duller, or slightly distended
- The retreat becomes thicker and more opaque as the spider adds silk layers
What to do during a molt
- Remove all live prey immediately. This is the single most important step.
- Mist near (not directly on) the retreat once a day to provide ambient moisture.
- Do not disturb the spider. No tapping the glass, no opening the enclosure unless essential.
- Wait. The molt itself takes 15–45 minutes. Post-molt hardening takes 48–72 hours.
After the spider is moving normally and appears fully hardened, wait another 24–48 hours before the first post-molt feeding. Mouthparts need time to firm up.
Stuck molt (dysecdysis): If the spider is half-emerged and not progressing after several hours, mist gently around it. Do not pull. The most common cause is insufficient humidity in the days before the molt. Prevention through consistent pre-molt misting is far easier than emergency intervention.
Handling
Handling is where P. audax earns its “more variable than regius” reputation. That reputation is accurate.
Captive-bred individuals raised from spiderlings tend to be curious and willing to walk onto a hand, particularly when warm and recently fed. Many become quite confident with regular, gentle sessions. Some CB individuals are naturally shyer and take longer to settle. This is normal individual variation, not a problem to fix.
Wild-caught individuals are a different situation entirely. A wild-caught adult living a free-roaming life one week ago has no context for what a large hand is. Some tame down over weeks. Many remain defensive and flee or threat-display whenever you open the enclosure. This is not a failure of your care. It is a realistic expectation to set from the start.
For both types, the approach is the same: open the enclosure, place your hand flat inside with fingers together, and wait. Do not reach for the spider. Let it choose to approach. Sessions should be 5–10 minutes maximum, always conducted over a soft surface. A fall is more dangerous to the spider than a bite is to you.
If you want the step-by-step process for building a handling relationship, the jumping spider handling guide covers it in detail.
About bites: possible but uncommon, and not medically significant for healthy adults. The sensation is comparable to a minor bee sting. Never forcibly restrain a spider that is retreating or threat-displaying.
Wild-caught vs. captive-bred: the honest comparison
This matters more for P. audax than for almost any other commonly kept jumping spider, because P. audax is the species most often collected from the wild.
Why people wild-collect
Phidippus audax is legal to collect in most US states without a commercial permit for personal possession (verify your specific state regulations). It is widespread, abundant, and free: a perfectly understandable starting point for someone who just found one on their garden fence.
The honest downsides of wild-caught individuals
Unknown age. A wild adult could be a few months old or very near the end of its natural lifespan. You might have two weeks with it, not two years.
Parasite exposure. Wild Phidippus populations carry oral nematodes, mites, and other parasites not visible during external inspection. These can cause serious illness in captivity and are difficult to treat outside a veterinary setting.
Higher early mortality. Wild-caught spiders experience significant stress from capture and transport. Mortality rates in the first month of captivity are noticeably higher than for captive-bred individuals.
Temperament. As described in the handling section, wild-caught adults often remain defensive long-term. This limits the relationship you can build with the animal.
Why captive-bred is worth the price
CB spiderlings and juveniles arrive with known histories, no wild parasite load, and genetics selected for temperament over multiple generations of hobby breeding. For most keepers, the $15–$30 cost of a captive-bred sling is a straightforward value when compared to the uncertainty of a wild-caught adult.
If you do wild-collect: house the spider in a dedicated quarantine enclosure for 4–6 weeks before any contact with other animals. Watch for signs of mites (small fast-moving dots on the body or enclosure floor). Monitor the feeding response carefully. Be realistic about the animal’s unknown age and potential health status.
For guidance on finding reputable captive-bred spiders, see the where to buy a jumping spider guide.
Common health issues
Dehydration
The clearest sign is a shrivelled, raisin-like abdomen. A healthy abdomen should be round and full. Dehydration makes molting dangerous by reducing flexibility in the old exoskeleton. Fix: increase misting frequency and confirm the spider is drinking from wall droplets. For a detailed walkthrough, see the jumping spider dehydration guide.
Mites
Small fast-moving dots on the spider’s body or enclosure floor. Not all mites are harmful, but mites on the spider itself warrant species identification. Post to experienced communities (Arachnoboards, r/jumpingspiders) for ID before taking action. Some common mites are harmless or beneficial; others require intervention.
Failed molt (dysecdysis)
Covered in the molting section above. Prevention through adequate pre-molt humidity is the approach. If a molt is stuck and not progressing, a gentle ambient mist and patience is the first response. An exotic vet is the right call if the spider is not recovering after a few hours.
Oral nematodes
Visible as small worm-like structures around the chelicerae or mouth area. More common in wild-caught individuals. This is a veterinary situation. Do not attempt home treatment.
Lethargy and floor-sitting
A P. audax that stays on the enclosure floor, moves weakly, or falls without recovering is showing serious signs. If this is clearly not pre-molt behavior, do not wait more than a day or two before consulting an exotic vet.
Your setup checklist
Before you bring a bold jumping spider home, confirm each of these:
- Enclosure is at least 20 cm tall with cross-ventilation (mesh top plus side vent, or mesh front plus mesh top)
- Substrate is 3–5 cm deep (coco fibre, sphagnum, or a mix)
- Cork bark or thin branches are positioned in the upper third of the enclosure
- Temperature is 20–29°C, confirmed with a thermometer
- LED or desk lamp is on a 10–12 hour daily timer
- One corner is misted every 2–3 days; the other side is allowed to dry out completely
- Appropriately sized live prey is sourced and gutloaded before the first feeding
- If wild-caught: spider is in quarantine for 4–6 weeks with age and temperament expectations set realistically
Frequently Asked Questions
Is Phidippus audax a good pet for beginners?
Yes, with one condition: choose captive-bred. A captive-bred P. audax is curious, manageable, and forgiving of minor husbandry mistakes. Wild-caught individuals carry unknown parasite loads and may never tame down, making them a significantly harder experience for a first-time keeper.
How is Phidippus audax different from Phidippus regius?
P. audax is smaller (8–19 mm vs. 12–22 mm), has a wider native range across all of North America, tolerates a broader temperature range (20–29°C vs. 24–28°C), and has more variable handleability between individuals. P. regius is generally recommended when handleability is the top priority.
Can I keep a wild-caught bold jumping spider?
Yes, but manage expectations carefully. Wild-caught adults have unknown age, potential parasite exposure, and often remain defensive. Quarantine for 4–6 weeks, watch for mites, and be prepared for the possibility that the spider never fully tames. Many experienced keepers have done this successfully; most recommend buying captive-bred for a first spider.
Do bold jumping spiders need UVB lighting?
Not strictly required for basic care, but a 10–12 hour light cycle from a bright LED or desk lamp is important for their visual acuity and hunting behavior. Some keepers use low-level UVB for behavioral enrichment; it does not cause harm and may be beneficial, but it is not essential for healthy husbandry.
How often do I feed Phidippus audax?
Adults eat every 3–5 days. Spiderlings eat every 1–2 days due to their faster growth rate. Offer prey sized at no more than half the spider’s body length, gutloaded 24 hours before feeding. Remove uneaten prey within 24 hours.
Are bold jumping spiders aggressive?
No. P. audax may threat-display (raise front legs, show chelicerae) if it feels cornered, but it is not aggressive in the typical sense. Captive-bred individuals rarely display this behavior after settling in. Wild-caught individuals display it more often, especially in the first weeks. Bites are uncommon and not medically significant for healthy adults.
Going further
The bold jumping spider is one of the most rewarding invertebrate pets available: visually distinctive, geographically familiar to most North American keepers, and compact enough to live on a desk. The key is starting with a captive-bred individual, providing a tall ventilated enclosure, and building trust through patience rather than force.
If you are still weighing P. audax against P. regius, the Phidippus regius care guide lays out the regal spider’s full profile. And if you want to understand the broader context of what daily jumping spider keeping looks like, the jumping spider care guide covers the fundamentals that apply to both species.
Care information on this page reflects the current consensus among experienced Phidippus keepers and is updated as the hobby’s understanding evolves. For health emergencies, always consult a qualified exotic veterinarian.