Thoroughly dry fish fillets. Mix eggs, mustard, salt, white pepper, and red pepper well. Place fish in mixture and chill for 1 to 2 hours. Mix corn flour and corn meal. Remove fish from egg mixture and dust lightly with flour mixture, shaking off excess. Heat oil to 375 degrees F. Drop fish into oil and fry until fish floats and is light golden brown, 4 to 6 minutes.