If you tame this with cooked fish meat on a official server your a savage

If you combine this or any underwater platform mount you can make an actual oil rig with dunkleostrus to get oil and smelted on your platform mount if you dont have a platform mount an underwater cave works tio would recommend one next to a drop for better farming

Great Dino to use doing underwater drops perfect for you collecting those wooden shields and shield bp that completely waste you time.

These creatures in real life actually needed to surface to breath much like whales, also they stayed near the surface of the water, never straying to deep.