Pterinochilus murinus RCF 'Usambara' - Orange Baboon Tarantula 'OBT' (Sling)

Orange Baboon Tarantula 'OBT' (Pterinochilus murinus RCF 'Usambara')
SIP Code: IL-OW-FO-S-019
Region: Usambara Mountains, Tanzania – dry scrublands and rocky outcrops

Lore Fragment
"They say the earth sings when the orange one stirs. Pterinochilus murinus, born of stone and fire, guards its lair with woven fury. Locals call it the Star-Eater—beautiful, bold, and best left undisturbed."

Overview
Commonly referred to as the Orange Baboon Tarantula or “OBT,” the Pterinochilus murinus RCF (Red Color Form) is one of the most recognizable Old World species in the hobby. Known for its searing orange coloration, extreme defensiveness, and dense webbing, it is both revered and feared by keepers across the world.

This is a terrestrial fortress-builder with a fiery disposition. Not suitable for handling or beginners, but highly rewarding for those who appreciate dramatic behavior, architectural webbing, and visual intensity in a dry-climate specimen.

Behavior & Husbandry

Temperament: Highly defensive, fast-striking, reclusive

Webbing: Extensive—will encase entire enclosures

Speed: Extremely fast

Recommended For: Advanced keepers only

Care Profile

Enclosure Type: Terrestrial with deep web anchor options

Substrate: Dry with bark, rock, or driftwood elements

Temperature: 75–82°F

Humidity: 50–60% (avoid excess moisture)

Mature Size: 4.5–5.5 inches leg span (measured tip to tip)

Growth Rate: Fast

Feeding Guidelines

Slings: Micro crickets, 3 times per week

Juveniles: Small crickets or roaches, twice weekly

Adults: Medium crickets or dubia roaches, weekly

All specimens are raised in high-ventilation, arid enclosures designed to promote natural burrowing and webbing behavior. Ships with our Live Arrival Guarantee.

Ships Monday - Wednesday