Giant prickly stick insect (Extatosoma tiaratum)
Photo: Rosa Pineda / CC BY-SA 3.0 · via Wikimedia Commons

Invertebrate · Stick insect

Giant prickly stick insect care guide

Extatosoma tiaratum

Beginner

The giant prickly stick insect is a beginner-level stick insect from Eastern Australia, New Guinea. Adults reach Body 12–20 cm (female) and live 1–1.5 years in captivity. Small groups. Needs tall space for moulting.

  • Enclosure 45 × 45 × 60 cm
  • Temp 22–27°C
  • Humidity 50–70%

How much does a giant prickly stick insect cost in Canada?

Animal$15–40Typical captive-bred price
Bioactive enclosure$160–300Enclosure $60–130 · equipment $40–100 · bioactive supplies ≈ $60
Yearly upkeep$30–60Food, supplements, bulbs, power, vet fund
First year total$210–400All prices CAD, estimates

Giant prickly stick insect quick facts

Skill level
Beginner
Adult size
Body 12–20 cm (female)
Lifespan
1–1.5 years
Activity
Nocturnal
Native range
Eastern Australia, New Guinea
Minimum enclosure
45 × 45 × 60 cm (18 × 18 × 24 in, ≈ 32 US gal)
Housing
Up to 4 can share; add about 30% more floor space for each extra animal.
Temperature
22–27°C
Humidity
50–70%
UVB
Not needed
Diet
Herbivore – eucalyptus, bramble, oak, rose
Bioactive style
Arboreal insect

Giant prickly stick insect enclosure & bioactive setup

Give one adult at least 45 × 45 × 60 cm (18 × 18 × 24 inches). Up to 4 can share; add about 30% more floor space for each extra animal. This species suits a arboreal insect bioactive build.

  1. Leaf litter2 cm
  2. Premium Coconut Fiber5 cm

A thin, moisture-holding floor layer keeps humidity up. Leave at least twice the insect’s length of clear space below perches for moulting.

Temperature: 22–27°C. Humidity: 50–70%. UVB: Not needed.

What does a giant prickly stick insect eat?

Herbivore – eucalyptus, bramble, oak, rose. Keep fresh food plant cuttings available and mist lightly most days.

Handling, temperament & health

Docile and handleable; may curl the abdomen defensively.

Health watch: Falls during the final moults if the enclosure lacks height.

Cleaning & maintenance schedule

Daily

  • Mist lightly (species dependent) and check food plants are fresh.

Weekly

  • Replace food plants; remove frass and old leaves.

Monthly

  • Wipe mesh and check for mites.

Yearly

  • Replace the floor layer between generations.

Recommended for a giant prickly stick insect bioactive

Quantities are for one minimum-size enclosure (45 × 45 × 60 cm).

Giant prickly stick insect FAQ

Is the giant prickly stick insect good for beginners?

Yes – the giant prickly stick insect is a good choice for beginners. Docile and handleable; may curl the abdomen defensively.

What size enclosure does a giant prickly stick insect need?

At least 45 × 45 × 60 cm (about 18 × 18 × 24 inches, roughly 32 US gallons) for one adult. Up to 4 can share; add about 30% more floor space for each extra animal.

How much does a giant prickly stick insect cost in Canada?

Typically $15–40 CAD to buy, about $160–300 CAD for a complete bioactive enclosure, and $30–60 CAD a year to keep.

What temperature and humidity does a giant prickly stick insect need?

Temperature: 22–27°C. Humidity: 50–70%.

What does a giant prickly stick insect eat?

Herbivore – eucalyptus, bramble, oak, rose. Keep fresh food plant cuttings available and mist lightly most days.

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This care sheet is general guidance from One Bioactive, not veterinary advice. Needs vary with age, locality and individual animals – confirm with your breeder and an exotics vet. Prices are typical Canadian ranges in CAD and change over time.