Production studies with the red and normal varieties of the sharptooth catfish Clarias gariepinus (Burchell) using a mixture of minced fish, bakery-floor sweepings and a formulated pelleted diet Production studies with the red and normal varieties of the sharptooth catfish Clarias gariepinus (Burchell) using a mixture of minced fish, bakery-floor sweepings and a formulated pelleted diet Posted in .