User blog comment:Kogath/Monster Hunter Frontier G7 Discussion/@comment-6050823-20150331101039/@comment-5020152-20150331165715

@Pike: I recall reading that the Volcanic Diablos' ancestors moved to volcanic regions after a food shortage or something. Going by Banned's name of "Beginning Species", is this Cactus Gravios supposed to be the ancestor of the Gravios, and the regular Gravios are the product of a migration to volcanic regions also?