Mental Floss

A Visual Guide to Safer Seafood Consumption

Rebecca OConnell

Omega-3-packed seafood is delicious and good for your brain—but there are some risks involved in consuming it: Big fish like tuna and swordfish are known to contain high levels of mercury and other toxins. This infographic by One World One Ocean breaks down exactly what's swimming in our waters, and what's safest to eat. 

(Click to enlarge.)