Candling means holding each fillet in front of a light so that any parasites can be seen and then removed. Candling is required by any good packing house. The process is quick and inexpensive and avoids much grief. Candling also reveals any pinbones left in a product intended to be boneless. Finfish is a versatile and delicious source of nutrition.
Most fish is low in calories, sodium, and total fat, saturated fat, and cholesterol.
Fish is high in protein and a good source of many vitamins and minerals such as thiamin, niacin, phosphorus, potassium, iron, iodine, fluoride, zinc, and copper. The different varieties of finfish are easy to prepare, especially when served raw. Even though incidences of parasitic infection are rare, there are certain risks associated with eating raw or insufficiently cooked fish. Once consumers are aware of these risks, they can make educated choices about their seafood consumption habits.