This is a very powerful multi-purpose dinosaur in the early stages, his energy is almost invincible (there is a decrease but not significantly) when eating fresh fish will help recover quickly.
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.

How ARK players tame and knock out the Baryonyx: what to feed it, what to knock it out with, and how to keep it safe.
When you see him in the water
Build a 2x2x2 door frame and shoot him when he chase you to land..feel free to shoot and when you think he gonna torpor run..bola him knockout