Orange Baboon Tarantula Pterinochilus murinus We have captive bred Orange Baboon tarantulas for sale at very affordable pricing. This species is also known as the “Orange Bitey Thing,” and is notorious for its extremely aggressive personality. Growing to 4-6 inches in size, they have a beautiful orange hue, and have a proclivity for digging burrows. The single most ferocious spider we've encountered. When you buy a tarantula from us, you automatically receive our 100% live arrival guarantee.