I have a feeling this things taking will be a lot like the usual. Knock out and feed prime cause this thing is carnivorous not omnivorous in real life though it may have thick fur so you have to use twice as much tranqs as you expected and I think it might be slightly like the megalosaurus where it picks you up and throws you around so this may have to be a 2 or more person tame.it will probably be a mid game tame based off its real life size and power. These are just ideas based off of prehistoric research I did.-lava
People have been saying the andrewsarchus is a meat eating sheep or pig or dog but it’s none of these. Its closest relatives are whales and hippos. Also they are not KO u probably have to sneak up on it and feed it honey to pacify it which is said in the dossier
You tame it by knocking it out or passively feeding it Honey or Sweet Fruit (I don't have the Lost Island DLC yet so I dunno which one it does knock out or passive but I do know what it eats) happy taming!!