Tame a high level and you will be the king of the ocean. Only level up melee and you'll wreck even mosa. Last points in speed and you will have an op mount
Basilosaurus
The Basilosaurus is a dolphin-like creature that primarily dwells along the shallow areas of the ocean. It has the ability to keep survivors warm or cool.

What ARK players use the Basilosaurus for, and how to get the most out of it in ARK: Survival Ascended & Evolved.
Pump the right stats and you'll have a op creature.