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Theraphosidae

Bornean Neon Blue-Leg Tarantula

Birupes simoroxigorum
AdvancedNocturnal · sleeping nowHuman-verified sheet
14:00
Day

Drag the sun. Bornean Neon Blue-Leg Tarantula is nocturnal, so what it is doing changes with the light.

Temperature

21–26°Ambient

One ambient band, 21–26°C. This sheet states no warm side, no cool side and no night figure, so none are shown.

Humidity

65–75%Target RH
Check your setup against this sheet
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The numbers

Enclosure
25 × 25 × 25 cm
Diet
Crickets, roaches, locusts; occasional superworm · Slings 2–3×/week; juveniles ~weekly; adults every 7–14 days
Temperature
21–26°C (70–79°F)
Humidity
65–75%

Identity

Order / Family
Araneae
IUCN / CITES
Not formally evaluated (IUCN); not CITES-listed; wild collection controversial
Difficulty
Advanced (experts only)
Commonality
Uncommon but sought-after – captive-bred lines circulating in SEA
Adult size
Body ~6 cm; leg span ~13–15 cm
Lifespan
Females ~12–14 yr; males ~3–4 yr
Growth rate
Medium
Activity & niche
Fossorial burrower; sometimes uses elevated cork retreats; nocturnal
Temperament
Fast and defensive; skittish, bolts readily
Venom / defense
No urticating hairs; medically significant venom – experts only; fast and defensive
Price (THB)
2,000–6,000 ฿ (indicatif)

Enclosure and conditions

Temperature
21–26°C (70–79°F)
Humidity
65–75%
Min. enclosure
Adult ~25×25×25 cm; deep substrate plus a cork retreat
Substrate
12–18 cm lightly moist coco fibre/topsoil for burrows
Hides / decor / water
Starter burrow, cork bark/tube, water dish

Diet

Staple food
Crickets, roaches, locusts; occasional superworm
Feeding frequency
Slings 2–3×/week; juveniles ~weekly; adults every 7–14 days
Supplements
None – gut-load feeders only

Behaviour and handling

Handling
Not recommended – fast, defensive, potent venom; observation only
Communal
No – solitary and cannibalistic
Defense / stress signs
Threat posture, bolting, retreat to burrow; no hair-kicking

Reproduction

Reproduction
Oviparous; 1 egg sac, ~50–100 spiderlings; medium-growth slings

Common health problems

Common health issues
SignsDehydration, poor molt if too dry, mold if over-damp, fall/rupture, DKS from pesticides
Red flags / quarantine
SignsPrefer CB (its 2019 description sparked poaching concerns); watch DKS, death curl

Good to know

  • Described only in 2019; its electric neon-blue legs caused an instant hobby sensation – and a debate about smuggling wild stock

Others in this group

Sources