Its possible and looks great as I have breeded nephelyms of almost all the species to 10 to 15 feet height. To breed a successful larger or smaller body size, nephelyms of both the species should have "Fertile" trait. Otherwise cross breeding would result into the original size of the species.This isn't a support forum, but I'll ask nonetheless, is it possible to breed for example Titans and Cows together to get massive Cows? All the offspring I've managed to breed have always been the same size or smaller than one of the parents. The wiki article on traits (Atypical trait) has an icon with an arrow pointing from a larger form to a smaller one, which I kind of understand as meaning they can only be smaller or same size, only that they inherited an unusual size. But then the desc. and optical change doesn't mention that they could only be smaller. I'm just guessing on the info there is though.
tl;dr, can offspring of the same species be larger than the parent?
Edit: You can in fact have offspring that is larger than either parent. I think I just had shitty RNG. Now to figure out what happens to normal+massive= is it either normal or massive, or can it be anything in between.
Chances to have a different body size would still be 30%.
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