4. Sharks
: Like swordfish, sharks contain dangerous levels of mercury and other toxins, such as arsenic. Regularly eating shark meat can increase the risk of heavy metal poisoning.
5. King mackerel
King mackerel is banned by almost all health authorities due to its high mercury content. It is particularly dangerous for children, pregnant women, and breastfeeding women.
6. Tilefish (Gulf of Mexico)
The Gulf of Mexico tilefish is among the fish most contaminated with mercury. It is often recommended to avoid this species altogether, especially if you have allergies.
