Re: What is this guy using?
I have caught them by throwing streamers in front of a pod of them working along the bottom in shallow water. They suck up the fly but those vacuum cleaner mouths would suck up anything that got in their way so I never considered it fishing. The dry fly thing is another thing altogether!
I have seen them coming to the surface in a lake near here but I have no idea what they are feeding on. Maybe cottonwood seeds, etc.