I bought a fishfinder to help me locate schools of sandbass instead of blindly trolling around or watching for surface activity. This past weekend on Ray Roberts, I saw some scattered surface action in a cove and caught a few sandbass on a small spoon using a fast retrieve. The problem was, I could see tons of fish on the graph but getting them to bite was another story. I tried jigging the spoon, slow retrieve, switching to a Roadrunner, etc. but the fish didn't seem interested.
Is it normal for sandbass to be schooled up but not actively feeding? What can I do to get them fired up or is it just a waiting game? This was just after noon on a mostly sunny day if that helps.