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Theraphosidae

Arndt's Selenocosmia (Indonesian Earth Tiger)

Selenocosmia arndsti
AdvancedNocturnal · sleeping nowHuman-verified sheet
14:00
Day

Drag the sun. Arndt's Selenocosmia (Indonesian Earth Tiger) is nocturnal, so what it is doing changes with the light.

Temperature

24–28°Ambient

One ambient band, 24–28°C. This sheet states no warm side, no cool side and no night figure, so none are shown.

Humidity

65–75%Target RH
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The numbers

Enclosure
25 × 25 × 30 cm
Diet
Crickets, roaches, locusts; occasional superworm · Slings 2–3×/week; juveniles ~weekly; adults every 7–14 days
Temperature
24–28°C (75–82°F)
Humidity
65–75%

Identity

Order / Family
Araneae
IUCN / CITES
Not evaluated (IUCN); not CITES-listed
Difficulty
Advanced (experts only)
Commonality
Rare – occasional Indonesian import
Adult size
Body ~6 cm; leg span ~14–16 cm
Lifespan
Females ~12–14 yr; males ~3–4 yr
Growth rate
Medium
Activity & niche
Fossorial burrower; nocturnal
Temperament
Fast and defensive; stridulates loudly
Venom / defense
No urticating hairs; medically significant venom – experts only; fast and defensive
Price (THB)
500–1,500 ฿ (indicatif)

Enclosure and conditions

Temperature
24–28°C (75–82°F)
Humidity
65–75%
Min. enclosure
Adult ~25×25×30 cm; deep substrate, fossorial
Substrate
12–18 cm lightly moist coco fibre/topsoil for burrows
Hides / decor / water
Starter burrow, cork, 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
Loud stridulation (hissing), threat posture, striking, bolting; 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
SignsOften WC – quarantine for mites/nematodes and dehydration; watch DKS, death curl

Good to know

  • Selenocosmia are champion stridulators – they rub setae on the chelicerae to produce an audible hiss as a warning

Others in this group

Sources