I've tamed many spinos all from the same trap, 4 stone dino gates and one large bear trap. Place three down so you can make a rectanlge out of the four, then put the large bear trap down inside of them. Shoot the spino, and run through the trap. Go to the other side and place the dino gate to finish the rectangle. Now you just need lots of narcotic arrows and lots of narcotics( boi toxin works best). I tamed 10 spinos on mobile with this method, one being level 200. But the trap works great for other gaming devices to.

Was contemplating whether to attempt gaming one of these and finally went for it. My first carnivorous animal tame. Miraculously knocked it down and tamed it to completion. While leading it back, it got stuck in some unbreakable rocks. Had to build foundations and walls before finally getting it out after about 30 mins of trying. As soon as it was free it was swarmed by jellyfish and pirhanas and died. RIP

On mobile they spwan around rivers and in rivers and occasionally the swamp or swamp red woods border now they are fast so a trap is recommended put a bunch of stone foundations and then stone doorframes all around stacked up on each other put 4 of them stacked for each side and then 2 wooden ramps lure the spino in and get out though a little gap enough for a player to get though then tranq it out prime fish works best but prime meat will work too it will just take a bit longer and bring around 100 bio toxin or narcotics then wait a bit and you got a spino

How i tamed a spino:

Full flak armor

10 bear traps

And a crossbow and sone trank arrows

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Just bring a sickle with you and a sword so that when you sickle a sabertooth salmon you get raw prime meat.

I recommend getting a female argetavis before taming a spino for the kibles.

Also breed raptors and kill its babies to get raw prime meat 1 baby raptor is like 10 prime meat so make sure to cook it in time and turn it into jerky

I have a level 11 named Tim, and when he was wild, he was near Cragg's Island, and I was at level 24. I got my crossbow ready to kill him, but I was accidentally on tranq arrows and not stone arrows. So a bit after, he was unconscious, but I thought it was dead so I started hacking away at him and got scared when I heard it getting hurt, not the relief of meat chunks falling off, it's a good thing I'm a cinidaria hunter, or this would be a story of me dying