First off, get a whole bunch of these. You get your mantas or itchy(if you're on mobile), swim into an army of beasts, attract all of them into shallow water, and use your spyglass to see which ones you want. Then kill the ones you don't want with a good Dino or weapon(I used dire bear). After that block them off from the sea so that they can't run away and yeet them with tranques. They are unconscious for a super long time so don't worry about constantly hovering over the,.you don't need a pen or anything just make sure nothing interferes. Then you got yourself like 10 Megalodons.
1. Get a itchthy
2. Get a good crossbow (any works)
3. Find a good Megalodon
4. Fire Tranq arrows from Itchthy
- Itchthys don’t attract any water creature, use that advantage against the mega
-You can use weapons on an itchthy!
What they're good for: I'd say they're good for defense mainly. You could also take them out hunting for fish food.
Where to find: ocean water
How to tame: get a crossbow and tranq arrows. Find a shark close to shore. Shoot shark and swim to shore, swim back out into water and shoot. Repeat this until shark is down. Feed meat and narcotics if necessary. *guaranteed to not get bitten this way*
I personally tame sharks, crypod them and go back to my base where I live right next to a small lake. I put 3-10 sharks in the lake and put them on wander and aggressive mode. If anyone or anything goes into the lake, they'll be dead in seconds. Also if I happen to be getting raided while online, I pick the raiders up with my bird and drop them into the shark infested lake. :)