8 Types of Fish You Should Never Eat

Fish is a great source of protein, omega-3 fatty acids, and other nutrients, but not all fish are created equal. Some fish are high in mercury, PCBs, or other contaminants that can harm your health and the environment. Others are overfished or caught using destructive methods that damage the marine ecosystem. Here are 8 types of fish you should avoid eating, and some better alternatives you can choose instead.