Species: Poecilotheria subfusca lowland
Common name: Sri Lankan Ivory Ornamental (lowland form)
Native range: Sri Lanka (lowland forests)
Temperature: 24–27°C
Humidity: 70–80%
Adult size: 15–17 cm legspan
Lifestyle: Arboreal
Speed: Very fast
Venom potency: Significant — medically relevant
Temperament: Fast, skittish, defensive when cornered
Recommended for: Advanced keepers
First spider: No
Notes: Lowland Sri Lankan form, darker than the highland variant. Like all Poecilotheria — fast, with medically significant venom. CITES Appendix II listed; documentation included with every specimen.
Poecilotheria subfusca lowland
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Description
Poecilotheria subfusca lowland comes from the lowland tropical forests of Sri Lanka, and it wears that origin openly — darker than its highland counterpart, marked with the same genus-defining symmetry of cream and white banding across the underside of its legs and a characteristic abdominal motif, but rendered in deeper, almost smouldering tones. Where the highland form reads as contrast, the lowland variant reads as depth: the same elegant geometry pressed into a darker ground, as though the pattern were lit from within rather than laid on top.
All Poecilotheria subfusca lowland needs to introduce itself is an open enclosure door. Fast and decisive in every movement, this is an arboreal species that crosses its space with a clarity of purpose that can genuinely catch an unprepared keeper off-guard. The venom is significant — bites have been documented with systemic effects meaningfully more serious than those of most tarantulas — and Poecilotheria subfusca lowland belongs in a collection that already knows what that means. Its feeding response is as committed as its movement: consistent, unhesitating.
House Poecilotheria subfusca lowland in a vertically oriented enclosure tall enough to suit the way the spider actually moves. A cork tube or slab of cork bark positioned high in the enclosure gives it a retreat it will accept and silk into a tubular refuge. Moderate humidity, maintained by regular misting, suits the lowland population well, with a water dish kept at the base. Room temperature is sufficient. Cross-ventilation matters more than humidity figures — stagnant air in a damp enclosure is the most common keeper mistake with Sri Lankan Poecilotheria.
Poecilotheria subfusca lowland is protected under CITES Appendix II, and every specimen we sell ships with the appropriate documentation. This is a spider for the keeper who already has a relationship with the genus — someone who has watched a Poecilotheria emerge from a cork tube at dusk and wants to see that ritual played out in a quieter palette. Sit with it long enough and the lowland form reveals itself as the more complex of the two: less obvious at first glance, harder to leave alone once you've noticed.