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