Have a mild flavour and a white, flaky flesh, with varying amount of body fat. Main benefit may be that it is a rich source of protein yet it is at the same time a low-calorie addition to the diet. It is a particularly good source of vitamin B6, and is also a decent source of niacin, riboflavin, and thiamin. It is a rich source of minerals like phosphorous,magnesium and potassium.