Well, in that case then I am guessing that the Zora would have been a distinct tribe, and the Rito is an offshoot of the Zora. So, like the major tribe settled in and around water, and the minor tribe settled in and around the mountains. Kinda like the split in Israel, the major kingdom remained...
Correct me if I am mistaken, but isn't Breathe of the Wild supposed to be a soft reboot of the LoZ franchise? The reason I say this is because of the amalgamation of all these different timelines and creatures from previous titles. The Rito and the Zora? That can't work unless the Rito are a...