Finally got my Elasmosaurus a saddle and never imagine she'd be one of the worst mounts. Poor hitbox, relatively low health, worst stamina ever, hard to get oxygen, can't use any devices, and I can't leave her alone without her loosing health from popping ...
Steam Workshop::eco's Primordial Saddles
Ark: Survival Evolved - How To Easily Tame An Arthropleura - YouTube