Controversy over which fish are most healthful continues. Concerns include toxic levels of mercury, PCBs, and whether or not these can depress the immune system or impact pregnant women and/or their fetuses. The link below offers insights and lists, explanations and guidance regarding fish and points to consider when planning a meal.
http://nutritionresearchcenter.org/healthnews/top-11-toxic-seafoods-to-avoid/
Dr. Nancy Iankowitz DNP, RN, FNP 