First you need to have atleast 30 narcotics a good amount of fish meat and traq arrows but I recommend using raw prime fish meat because it tames faster with raw prime fish meat. How I tamed it is I shot it then ran in-between rocks and trees then when it wasn't chasing me jo more I shot it again and I kept repeating that untill it was knocked out then force feed it some narcotics and put some fish meat or raw prime fish meat in there and wait and after that boom you have a spino.