Tuso on mobile are very rare. The only way to find them consistently is by playing brutal as difficulty and level contribute to spawns. If playing anything other than brutal, you should use tidy saves in single player. Tidy saves kill all Dinos outside of your tamed ones and those in your general area.

Because the Mosa cannot be grabbed on mobile, I recommend to just tame them instead as it is easier to get a ascendant saddle for them (Snow cave drop) and because they are much more common on medium/hard. They might take longer to tame but generally they are better.

If you cannot find a tuso, it is not because you aren’t looking hard enough, in fact, the ocean giants load in far before anything else. It is because the tuso refuses to spawn due to it being low on the spawn priority list.

P.S When you make a single player world for the first time, there is a set amount of tusos on the initial world gen.

Easy: Chance of 1 tuso spawning, guaranteed after surpassing level 80.

Medium: 2 spawn initially and a increased chance after surpassing level 85

Hard: 3 spawn initially and a chance of up to 2 more after surpassing 85

Brutal: 4 spawn initially and level doesn’t matter.

They are easier to find while riding a raft, having a monkey on your shoulder, and having a beard. It is recommended to have a big raft that looks like a pirate ship. The ship must have cannons.

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WARNING THIS CREATURE IS AGGRESSIVE AND KILLS YOU

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If you have spent a really long time looking for one then it could possibly be because there are to many wild dinos in your world which means you need to go on a huge killing spree to open up some spots for the Tuso or any other Dino you can’t find to be able to spawn

-cookies

This noodle monster destroyed my lvl 46 itchy in under 5 seconds and didn’t even let me get its stuff back. After trying to kill it in my rage it decides to run when it’s health gets low. Now I kill any tuso I find for revenge.

R.I.P Fish bait-2021

When the tusoteuthis grabs you you can avoid its attacks by firing an arrow at its beak during the attack

When Ark says that the unicorn is the rarest creature. That’s a lie. At least the unicorn spawns. This thing is supposed to. I have spent the last week living in a pearl cave in their spawn hotspot and have not seen evidence of a single one. Reply to me @Tofuna

People say he's rare and they are damn right

When you see one of these, be ready to die.

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.