Another reason why the Angonoka may go extinct is that the species is concentrated only in one area. They don't seem to be dispersed, meaning anything at all like serious temperature and condition could wipe the species out. The introduced bush pig is the primary predator of your angonoka tortoise; https://lorenzoutqmj.bloggadores.com/38978006/facts-about-angonoka-tortoise-for-sale-revealed