User blog comment:Kogath/Monster Hunter: World Discussion/@comment-31029678-20180111174412

Maybe I found something, in the official site the monsters seems to be classified by the food chain.

Ancient Forest: G.Jagras  Pukei-Pukei  Tobi-Kadachi Anjanath Rathalos

Wildspire Waste: Kulu-Ya-Ku Barroth Jyuratodus Rathian Diablos

Coral Highlands:  Tzizi-Ya-Ku Paolumu Legiana

Roten Vale: G.Girros Radobaan Odogaron

Sure we don't know the relation between some monster, though we all can agree that Tobi-Kadachi seems able to defeat a Pukei-Pukei.

On the other hand in some cases such Jyuratodus and Barroth, though Jyura seems to be higher they are on the same level.