I make the diaganol cut just behind the gill and a cut at the tail. I then slide the knife up the backbone from the tail end and then off to the side. This cuts half the dark or white side (which ever one you are doing). I then lift the cut section and slide the knife along the backbone toward the opposite side. Flip the fish over and do the same on the other side. You will get two nice fillets. Wide enough for stuffing if you like. To skin, I usually stick a fork in the skinny end to hold it down and run a knife up to the wide end. This is easier than trying to hold a slippery fillet with your fingers.
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