Pterinochilus

[Ammo71]

Does anyone know how many species there are ? Keep hearing about a mountain variant and red form and on and on ?

 

[Patherophis]

There are ten species in this genus, around five of them being in hobby, but what You are reffering to are local colour forms of P. murinus:
https://arachnoboards.com/threads/colour-variants-of-pterinochilus-murinus-by-locality.301990/