The federation of fish fryers, provides a comparison chart on their website here
Courtesy of the same website here are some nutritional Information. Typical Values per 100 grms.
Energy 646kJ/153kcal
Protein 8.6 grms
Carbohydrate 17.7 grms
Of which sugars 0.4 grms
Fat 5.3 grms
Of which saturates 2.6 grms
Fibre 3.0 grms
Sodium 0.11 grms
Salt 0.28 grms