Orange Baboon/Mombasa Golden Starburst Tarantula

Orange Baboon/Mombasa Golden Starburst Tarantula 
Pterinochilus murinus

Type of Animal:

Savanna, dry grassland, mountainous areas, dry savanna scrubland, burrows, bushes, low trees

C, E, & southern Africa

Abdomen/carapace/legs same coloration, legs often have brightly colored rings, comes in 5 color forms-orange, brown, dark, red, & typical (orangeish-golden sometimes w/ green shades around legs), star-shaped carapace, short hairs, longer hairs on legs, females larger than males, males more slender/long-legged, fishbone pattern on abdomen

Insects, insect larvae, worms, smaller spiders (females eat smaller males & cannibalism not uncommon), lizards, rodents, birds, snakes

Status in Wild:

Breeding in zoos, arachnoculture, & pet trade


Additional Info:

Young: Spiderling
Group: Solitary
Male: 0.86 oz
Female: 0.96 oz
2-3 months

Life Span:
Males: 3-4 years
Females: 12-15 years

Body Length:
Male: 1.97 in
Female: 2.36 in
Young: 1 in

Males have 5.9 inch leg span, females have 4.72 inch leg span.
Active at night (nocturnal).
After laying eggs in cocoon, 50-150 spiderlings come out 2-3 months later. Some females breed twice a year.
Males sexually mature at 10 months, females at 1 year old.
Most often terrestrial but sometimes semi-arboreal, utilizing low trees.
Prior to molting, they seal themselves in hide/web tunnel & stop eating. Molting necessary for growth as younger spiders molt more often than older ones.
Webs are usually tunnel-shaped.
Like most tarantulas, they’re ambush predators.

Fun Fact(s):
Since they can’t eat prey whole due to lack of teeth, food predigested w/ venom from fangs, containing digestive enzyme helping break down/liquefy prey.
Called “Baboon Tarantulas” due to last 2 leg segments resembling baboon fingers.
Also called “OBT”, Orange Baboon Spider, Orange Bitey Thing (due to highly defensive temperament), Pterror, Usambara Starburst Baboon Spider/Tarantula, Golden Starburst Spider, & Mombasa Baboon Spider.
Often kept by experienced tarantula keepers-these highly defensive animals display/bite readily if provoked/handled. While not lethal, painful venomous bite can induce muscle pains, cramps, headaches, & nausea. They’re also quite fast. Many keepers say they can “teleport.”
Orange Baboon/Mombasa Golden Starburst Tarantula, stock photo

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