SHAD FISHING

Hey guys, I was at kennebecasis river today with my fly rod and spinning rod. I caught and released a bunch of trout and salmon but couldn't hook a shad wich I really wanted to. I tried all sorts of flies and baits. I used almost all the flies I had with me, almost all th e crank baits, plastics, putty baits and worms. I just could not get anything to work. Any suggestions to catch shad? all suggestions will be appreciated!