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Phasmatidae

Giant Prickly / Spiny Leaf Insect

Extatosoma tiaratum
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BeginnerNocturnal · sleeping nowHuman-verified sheet
14:00
Day

Drag the sun. Giant Prickly / Spiny Leaf Insect is nocturnal, so what it is doing changes with the light.

Temperature

20–30°Ambient

One ambient band, 20–30°C. This sheet states no warm side, no cool side and no night figure, so none are shown.

Humidity

50–70%Target RH
Check your setup against this sheet
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The numbers

Enclosure
30 × 30 × 45 cm
Diet
Bramble/blackberry (staple), eucalyptus, oak, rose, raspberry · Fresh leaves always available; replace ~weekly
Temperature
20–30°C (night can drop)
Humidity
50–70%

Identity

Order / Family
Phasmatodea
IUCN / CITES
Not evaluated; not CITES-listed
Difficulty
Beginner
Commonality
Very common
Adult size
F 13–15 cm (bulky); M ~11 cm (winged)
Lifespan
F ~6–9 mo adult; total ~12–18 mo
Growth rate
Medium (F ~6 mo to adult)
Activity & niche
Nocturnal · Arboreal browser
Temperament
Docile, slow; iconic display species
Venom / defense
Harmless; curls scorpion-like tail; may flick/grasp; no true venom
Price (THB)
฿200–500

Enclosure and conditions

Temperature
20–30°C (night can drop)
Humidity
50–70%
Min. enclosure
30×30×45 cm (H ≥3× body); mesh for moulting
Substrate
Coco fibre; mist for droplets & egg humidity
Hides / decor / water
Upright branches to hang & moult; mist food plants daily

Diet

Staple food
Bramble/blackberry (staple), eucalyptus, oak, rose, raspberry
Feeding frequency
Fresh leaves always available; replace ~weekly
Supplements
None; fresh host leaves only

Behaviour and handling

Handling
Very docile; handleable; support body, avoid pre-moult
Communal
Yes — safely gregarious in groups
Defense / stress signs
Curls abdomen over back (scorpion mimic); sways; plays dead

Reproduction

Reproduction
Eggs flicked to ground; FACULTATIVE PARTHENOGENESIS (unmated F = all F)

Common health problems

Common health issues
SignsMismoult if too dry or low cage, dehydration, dropped limbs
Red flags / quarantine
SignsSluggish, shrivelled, mould, mites on leaves

Good to know

  • Ant-mimic hatchlings run to ant nests; adults curl the tail like a scorpion

Others in this group

Sources