To tame a Spino I placed down 3 large bear traps, it easily got stuck and by the time it got out it was torpor running. I easily knocked it out but I must warn you bring A LOT if narcotics mine was only level 4 and it took about 90 narcotics to keep asleep. Didn't take too much meat about 6 percent for every one piece of raw meat. If you are looking to find one on the island map on ARK Survival Evolved there were two spinos near in the southern uplands where there are quite a lot of raptors. Bring bear traps, a bunch of narcotics, and some raw meat if you are looking to tame a Spinosaurus. :)

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