I have one in my QT right now, and he's quite shy. He doesn't bother my other QT inhabitants (nasarrius snails, zoster angelfish, and kole tang). Eats mysis and silversides, but not NLS pellets yet. These guys can get pretty big relatively quickly, and are messy eaters (so make sure you run an appropriate-sized skimmer).
My understanding is that they don't bother ornamental shrimp that are established. However, if you want to add a shrimp afterwards, do it at night and guide the shrimp to a rock crevice so that the blue throat doesn't mistake him for food.