Jumping Spider Identification in Australia

About the Jumping spider

Jumping spider is a useful family-level route for Australian Salticidae, not a single species identification. The strongest field combination is a small compact body, large forward-facing principal eyes, alert stop-start movement and a short pounce across a wall, leaf, bark or fence. Salticidae vary from plain brown bark hunters to bright green, metallic or patterned garden spiders, so colour and one online photograph cannot settle a name. They do not build prey-catching webs, but they use silk draglines and small retreats for safety, moulting and eggs. Use the eyes, body proportions, movement, surface and locality together, then compare specialised Australian profiles without forcing a species result.

How to recognise a jumping spider family member cautiously

Begin with the eyes and hunting style, not the colour. Salticidae are active visual hunters with two large principal eyes facing forward and additional eyes arranged across the carapace. In a clear upper view, the front pair can look unusually large compared with the body, giving the familiar alert expression. The body is usually compact rather than long and wafer-thin, and the legs are not arranged in the broad sideways crab stance of a true crab spider. A jumping spider may pause, turn to watch a person, walk in short bursts and then pounce across a small gap. Those clues support the family, but they do not name a species. Australian Salticidae include bark, foliage, wall and ground hunters with very different colours and body shapes. A phone image that shows only a dark speck, a side view with the eyes hidden, a juvenile, or a spider that has been flipped over should remain a broad jumping-spider possibility. Use a dorsal image, a gentle side view, a nearby scale and the surface where the spider was found. Do not handle the spider to make it face the camera. The family label is the honest endpoint when the eye arrangement, adult sex and locality are not resolved.

Clues that are not enough on their own

• Any small spider that jumps, because young huntsmans, crab spiders, sac spiders and other hunters can move by short leaps
• Large front eyes inferred from a single blurry face, flash reflection or cropped side view
• Brown, black, green, red, blue or metallic colour alone, because Salticidae are highly variable and unrelated spiders overlap
• No visible web treated as proof of a jumping spider, because hidden retreats and wandering non-web hunters are common
• A pinhead, pea or coin estimate that includes legs or uses a scale at a different distance
• A spider watching a person treated as curiosity or aggression rather than ordinary visual tracking
• One online photograph copied to every Australian jumping spider, despite major genus, sex and life-stage differences

Colour, sex and life-stage variation

Variation is unusually visible in this family. Males of some Australian genera carry iridescent scales, bright facial bands, coloured legs, fringes or fan-like abdominal displays, while females may be brown, grey, cream or more cryptic. Juveniles can lack the adult pattern and may change colour at successive moults. A fresh moult can make a normally dark spider look pale, and flash, shade, wet foliage, dust and camera processing alter metallic green, blue, red and bronze tones. Body length in Australian jumping spiders commonly sits in the few-millimetre range, but a family page should not turn a pinhead or pea estimate into a species measurement. Measure the body without legs, and keep leg span separate. The same species can look broader when gravid or recently fed, and a male can look narrow and long-legged beside a female. Do not infer sex, maturity, health or a named genus from one colour patch. Keep the image, whole-body outline, season, substrate and broad locality together.

Behaviour, web and retreat

Jumping spiders hunt by sight instead of waiting in a prey-catching web. They scan a surface with the large principal eyes, orient the body, and use a controlled jump to reach small insects or another perch. A silk dragline is normally laid before a jump, and silk retreats can be built under bark, in curled leaves, wall gaps, window frames or other sheltered places for rest, moulting and eggs. This means that no visible web is a useful negative clue only when the surrounding surface has been checked: a retreat may be hidden, and an orb, tangle or sheet web may belong to a different spider nearby. Fast movement is not proof of a jumper, while a quiet spider may simply be cold, digesting or waiting. Do not tap a leaf, breathe on the spider, pull bark away or chase it across a wall. A calm photograph from the side of the path records more useful behaviour and reduces the chance of a defensive escape.

Australian distribution

Salticidae are represented across every Australian state and territory, with species occupying rainforest, dry woodland, heath, grass, leaf litter, coastal vegetation, urban gardens and building surfaces. The broad state filters make the family useful for discovery, but they are not a range statement for every genus. Australian examples include Opisthoncus garden jumpers, Mopsus green jumpers, Maratus peacock spiders, Servaea bark hunters, Hypoblemum house jumpers, Jotus brushed jumpers and Cosmophasis patterned foliage hunters. These names illustrate diversity rather than identify a photograph. A species may be restricted to one region, introduced, seasonal or poorly recorded, and a state observation cannot prove a species label. Keep the broad locality, date, host plant or wall, body scale and a clear whole-body photograph. Use the Australian Lucid key, museum review or a biodiversity-record expert when a species claim matters, especially for a range-restricted or brightly patterned form.

What to do if you find one

Leave a jumping spider where it is whenever practical. If it is indoors and relocation is necessary, keep hands, children and pets clear, place a broad container over the spider and slide stiff card beneath without pinning the legs. Release it into sheltered vegetation or a nearby wall rather than carrying it across a different habitat. Wear gloves when moving stored items, loose bark or garden debris, and do not put fingers into a retreat to check whether it is occupied. For a public record, take one upper view, one side view, the surface and a scale object placed nearby, not on the animal. Do not use a flash repeatedly at close range or make the spider jump for a better frame. These spiders are generally low risk. After an unexpected bite, wash the area, use a wrapped cold pack and seek medical advice for severe, persistent or worsening symptoms; call 000 for breathing difficulty, collapse or anaphylaxis. Treat symptoms as the priority rather than proving a species name.

Compare with similar spiders

Use body shape, web or retreat, location and behaviour together before settling on a likely match.

• Garden jumping spider — Garden jumping spider - Opisthoncus and similar garden forms can fit a compact visual hunter, but a family-level result is safer when the adult pattern, eyes and locality do not support O. parcedentatus.
• Green jumping spider — Green jumping spider - Mopsus and other green Salticidae can be bright, large or hairy, while many unrelated green spiders occur on foliage. Use the eyes and body structure, not green colour alone.
• Peacock spider — Peacock spider - Maratus males may display a fan or colourful abdomen, but females, juveniles and non-Maratus jumpers overlap. A plain jumping spider should not be assigned a peacock species from colour.
• White-banded house jumping spider — White-banded house jumping spider - Hypoblemum may occur on walls and around buildings, yet a pale band or house setting is not diagnostic. Compare adult anatomy and locality before using the species name.

Sources for this profile

These accessible authoritative sources support the identification and bite-safety context on this page.

• Australian jumping-spider key: Lucid Central
• Australian jumping-spider key: Salticidae
• Australian Museum: Jumping spiders
• Australasian Arachnological Society: Salticidae
• Fauna Portal: Australian Salticidae
• NSW Environment: Spiders in Sydney
• Queensland Museum: New jumping-spider species
• healthdirect: Spider bites

Profile review

Published by Spider Identifier Australia. Last factual review: 14 August 2026.