I found a beauuuttiiful silver argy he was a max level for ark mobile medium. 150 is max. I knocked him out and I looked at his picture and he was A WHITE ARGY. I went to go get a balm from lava cave and when I get back, HES GONE. THEN I FOUND 3 DAMN WOLVES RIGHT BY WHERE I KNOCKED IT. they ded.
If you ever encounter one in the wild, and you are in an early stage in the game, run the opposite direction. Also try not to agrovate it unless you are up to the KO/Fight.
Good luck if you encounter it!