When attacking, use Basilosaurus whales, they cannot be grabbed, be aware that once low health, the squid will flee and emit ink, and debuff you by making all nearby creatures aggro you. I almost lost a 265 basilosaurus to 4 dunkleos and 10 megalos that boxes me into a star formation.
Use a Mosa to tame this beast. Let the Mosa get grabbed wait a couple seconds get off feed it black pearls. Have your mosa on follow lowest, swim a bit away from the Tuso after feeding it, when the Tuso lets go the Mosa will swim to you. Repeat until Tuso it tamed. Super easy!
You need two people, one for feeding the black pearls and the other to feed the turtle that is in the grasp of the Tusoteuthis, with sweet vegetable cake for the health and to feed it stimulates berries as well
Don’t let it grab your tame when near the ocean floor. It’s mechanic while holding your tame makes it tilt in such a way that you are moved underground. Then the game rerenders you and your tame above the water. Lost a lvl 218 mosa instantly. Try and get the squid to go a little higher before trying to tame.
Listen clostly, dont lure them to the surrface or they wont want to be tamed. Second, it takes one 50 black pearl feeding. Third, they have to be holding onto something. DO NOT BRING PLATFORM SADDLES NEAR THE SQUID IT WILL GLITCH OUT.
Just tamed a 150 on an official server. Building a trap high off the ocean floor works great just trap it and rotate out 150 tamed turtles hp pumped. Took about 2 hours with pearls for the tame. Took 50 pearls every 5-10 min. Happy taming!
OK so for those of you actually looking for tips.
1: it can eat 50 at a time so take 50 with you each time.
2: it hold mounts only for a little bit so if you can, just hop back on the turtle quickly and swim away till the next feeding
3: once you tame it beware manta s and anglers as the tuso cannot hit them while they glitch into the head of the squid. It's not that hard if you prepare to lose everything and keep trying. It's worth it once you do but you will need escorts to help with mantis and anglers such as megaladons.
Don't bother wasting sweet veg cakes and risking high level dinos. Get it to grapple your mount, feed it, swim away with your mount on passive and follow, squid will let go after a while, wait above the squids aggro level until the feeding interval is up and then go back to feed it again. Rinse and repeat until tamed. You don't need to stay in the squids grasp for the whole time, affinity won't drop whilst you wait above it.