Kris,
I fillet nearly all fish, including saltwater flounder, so don't go by opinion on that. :p
I'm sure Eric is correct wrt bullhead vs. CC habits, but I would like to say that we caught bullheads from muddy water last summer and they had a fantastic flavor! I honestly could not tell the difference between them and CCs. I contemplated not even trying them, since they are considered a "trash" fish in most places, but they were actually very good.
I marinate them in garlic herb seasoning or italian dressing, and dump it all on a sheet of foil. I then turn up the sides of the foil to make a "boat," so that the marinade won't drip out. The boiling marinade is what actually cooks the meat, and it is yummy.
