Welcom to the forum

Be sure not to overheat him if you put his cage right next to the heater...

Create some good hiding places and let him settle in for a week ( as little disturbance as possible ). After that, try your first feeding, but don't be upset is he'll still need some extra time... There are a lot of fish to chose from or you can try pinkies. Don't give him crickets or something like that, they don't eat that. This article will give you an idea about which fish you should give and which you shouldn't and it's quite important :
http://www.thamnophis.com/caresheets...title=Genetics