It is amazing how different parts of the country view different species of fish. It is understandable why fisherman don't want the catfish. I never realized how predatory they were. I remember one time my father caught a hugh wallye. He lived in Minnesota, and fishing was a past time for a just about everyone one in the town. I guess that catch would not have been possible if the lake was overtaken by catfish.

Thanks for the informative response.