Perfect creature for cave and deep sea
Baryonyx
The Baryonyx is a large crocodile-like predator. While it might lack in attack power, its ability to swim extremtly fast makes it a fierce opponent — especially with its ability to travel on both land and in water.

Player-written tips for taming, using, and fighting the Baryonyx in ARK: Survival Ascended & Evolved.
I built a 2×2 foundation surrounded by walls. Snatched a baryonyx with argentavis and drop him in it. Was easy to tame for me.