If you are having a hard time finding spino's in their respective spawn zones (especially Ragnarok), kill all the fish in that area. They share the same spawn capacity and can be out spawned by coles! ( up vote so Rag players know!!!)
Once tried to tame one for my bf while he was offline bc he wanted one. Flew with my Pterra and shot it full of 20!!!!! tranq arrows . Didn’t even flinch. I got too cocky and went too close to the edge of the cliff i was standing on. I fell off RIGHT IN FRONT OF THE SPINO. it’s health was low enough that it started to run away. Without looking back, i whistled for my Pterra to follow and ran for my life. currently trying to get another one :( wish me luck!
If you’re low level, stay really far away from dis fish eating rex, it spawns in rivers and around lakes, by water. It’ll try kill you if you come anywhere near it. In my opinion, best way to get rid of it is to lead it to a herd of sauropods or dangerous herbivores. If there is none nearby, run away from any water source and it will sometimes just lose interest