Yeah.. I don't recommend attacking them except tame em I had two one a level two and the other one is level three when I went out on my flyer I was getting stam and a t rex came up behind me and I just see at the top of my screen "your dimorph level TWO AND THREE killed a level 30 t rex I was so confused like what how????
These things are OP! If you tame a high level one they make an amazing shoulder pet (surpassed only by ferox I would say). Mine does like 250 dmg a bite and it works well if you have an aviary of them. If this helps, please up!!