How to Pick the Safest Fish to Eat

Seafood makes for a great source of lean protein. Many fish even have heart-healthy omega-3 fatty acids that help to prevent a host of diseases. However, one problem with fish that continues to get attention is the fact that it can get contaminated with mercury. The mercury levels in the ocean haven risen by 30 percent in the last 20 years, thanks to industrial mercury emissions, according to Consumer Reports. Small fish eat plants that contain mercury, and since the bigger fish eat the smaller ones, they too get contaminated. According to a recent article in Consumer Reports, they recommend that pregnant women avoid all canned tuna completely (despite it being approved under FDA guidelines), and break down recommended fish consumption based on mercury levels.

Check out the slideshow above to learn which fish contain the most mercury, and which contain the least.