Fiberglass reproductions are usually used for Channel Catfish due to their oily nature. It is recommended to have a good paint schedule and reference photos to obtain good results. We have listed the suggested paints from the Breakthrough Fish Painting Encyclopedia. The colors may vary due to variable conditions. The eight ounce size is listed in chart, use the same number and 4oz for the four ounce size. (Example WA110-4OZ).