Thanks for the info. I realized my mistake about the hybrids the day after I stocked them after talking to Mark McDonald and Bob Lusk, but I think I have plenty of forage. I see giant crawdads frequently and have so many different kind of frogs and tadpoles that you can't look anywhere and not see one. Maybe that is what the catfish are eating. As far as the pipe, I have been to several ponds in my area where this seems to work very well. Maybe if I did it with more frequency. Where did you collect your arrowheads? I have about 90 perfects and over 200 almosts all from central and west Texas.