Can humans eat any type of fish?
Advice for Fish Purchased from the MARKET: Most fish from the market are healthy to eat and contain important nutrients such as omega-3 fatty acids. However, there are some fish that contain high levels of mercury or PCBs and so should be eaten less or not at all.
Are freshwater fish healthier to eat than saltwater?
Freshwater and saltwater fish differ in only a few nutrients. Freshwater fish generally are higher in calcium and also have slightly higher levels of monounsaturated and polyunsaturated fatty acids. Freshwater salmon and bass contain a higher proportion of vitamin A and folate compared to their salty counterparts.
What is the healthiest freshwater fish to eat?
The FDA ranks catfish as one of the healthiest fish to eat because of their low levels of mercury. While some species are susceptible to high levels catfish are not.