May 25, 2021 · I have a RCF and it displayed a visible orange patch on the abdomen around .75 - 1” mark. I believe leg colors changed between 1” - 1.5” and by 2” it had all its color. The pic is around 2” with no filters, it really is this vibrant.

Pterinochilus murinus, commonly known as the Orange Baboon Tarantula (or OBT), is a striking Old World species famous for its brilliant orange coloration and notorious defensive temperament.

Apr 25, 2010 · From the site it says there are four color forms. Named after the colouration of the type, different pale beigecolouration, sometimes with a greenish sheen, long setae on legs and abdomen pale pink. Probably a natural intergrade between TCF and RCF (but more close to TCF). Their coloration is more intensive yellow/pale orange than TCF.

Apr 8, 2016 · A lot of people see the following TCF, DCF, BCF, OCF, RCF etc following P. murinus. Here is what they stand for- Many folks are probably under the impression that there is only one variant of each form. But there are multiple for some. Each locality seems to have differences, even if very subtle. Here are some photos I can share to show a few.

The “RCF” (also often sold under “trade” names like Pterinochilus sp. “Usamburu” or P.spinnifer or P.mamillatus) usually construct their silk shelters above the substrate where as the others are more terrestrial and will utilize terrestrial hides or burrows.

Apr 14, 2022 · In the hobby, the Pterinochilus Murinus is often known as the OBT which can stand for either Orange Baboon Tarantula or Orange Bitey Thing; The Pterinochilus Murinus was first described in 1897 by Pocock; This is one of the few species that has different color variants in different countries

Jun 17, 2011 · There are 4 forms of OBT, Orange, Red, NCF and Dark. Its very likely there are far more but they're not in the hobby. Its possible to mate the different forms but there's rarely a need to mix them.

May 21, 2019 · Know about the orange baboon tarantula and its identification. Get details about their physical description, web, and venom levels.

Feb 4, 2023 · Probably a natural intergrade between TCF and RCF (but more close to TCF). Their coloration is more intensive yellow/pale orange than TCF. DCF : dark colour form.

Among those who keep tarantulas as pets, Pterinochilus murinus is known as "OBT", acronym which stands for "orange baboon tarantula" or "orange bitey thing", [4] and also as the "pterror", a pun on its Latin genus classification of Pterinochilus. [5]