Corey I notice the same phenomenon feeding WE, SMB, HBCP and HSB off the dock...while the HSB seem to be ready to feed daily, the other fish, especially HBCP, will go days before showing up again. I finally figured their attendance is likely based on stomach size/digestive rates. A good sized catfish chunk seems to leave even a nice sized HBCP [16-18"] satiated for a few days and I won't see them but every 3-4 days...bigger the fish, bigger the stomach size.

Many men go fishing all of their lives without knowing that it is not fish they are after. ~ Henry David Thoreau

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