Pterinochilus murinus
-Usambara Orange Baboon

WARNING: Illegal in South Africa.

Common Names: Usamabara Orange baboon | Orange Baboon Tarantula | O.B.T. | Mombasa Golden Starburst | Orange Bitey Thing

Variations: TCFRCFUMVSCFDCF – World Spider Catalog

Adult Size: 12cm to 15cm

Growth Rate: Medium

Type: Old World Terrestrial / Semi-Arboreal

Temperament: Not for beginners. Defensive and Aggressive

Lifespan: Females (12 to 15 years) | Males (3 to 4 years)

Origin: Usumbara, Tanzania

Recommended Climate:  26-28°C (Summer), 20-24°C (Winter)

Recommended Humidity: 70-80%.

Basic Enclosure Requirements: Terrestrial setup with at least 4 x the size of the spider in horizontal space, 5cm to 10cm of substrate with a shelter and a water dish.

Photo Credit: Isaiah Rosales (FlexZone Arachnoboards)

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Scientific Name: Pterinochilus murinus

Common Names: Usamabara Orange baboon | Orange Baboon Tarantula | O.B.T. | Mombasa Golden Starburst | Orange Bitey Thing

WARNING: Illegal in South Africa.

Not for beginners. Also known as the Orange Bitey Thing, this baboon spider is definitely a celebrity in the bad mood industry and not something to consider handling, although some people have been brave or silly enough or have specific specimens docile enough to attempt it. The Usambara Baboon Tarantula almost has no equal when it comes to reports of defensive and aggressive behavior. Bold and very defensive, the OBT is quite happy to look for a fight with anything, and we mean anything. We’ve witnessed a specimen having an all-out brawl – with it’s water dish.

The OBT spends most of it’s time in magnificent webbed tunnel systems that it is well known for creating, but this makes it a little hard to see, so not necessarily a great display tarantula, although it does come out frequently. When it does appear, approaching it will usually cause another threat pose or it will just bolt back inside it’s webbed castle. Their feeding response is explosive so take care when feeding an OBT that you can’t see, it will bolt out, grab it’s food and vanish before you know what’s happened. From young, they are fast, eat well and their growth rate is fast too.




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