. . . . . . . . . . . . . . "In the USA, substitutions such as mackerel, small turbot, perch, pike, trout, and rock fish may be used.* Health Benefit: Rich in protein, vitamin A, B-complex vitamins, particularly niacin and vitamin B6, vitamin C, vitamin D, vitamin E, potassium, phosphorus, magnesium, zinc, copper, pantothenic acid???Cheers!" .