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Find out which are the WORST fish to eat

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Below, we show you some of the fish that health and nutrition experts recommend avoiding or consuming in extreme moderation .
Main danger: High levels of mercury.
This large marine predator accumulates toxins throughout its life. Frequent consumption can affect the nervous system, especially in children and pregnant women.
Main danger: Overfishing and pollution.
In addition to being endangered by overfishing, this type of tuna often contains high levels of mercury and other heavy metals.
Main danger: Artificial feeding and high omega-6 fat content.
Although it’s an inexpensive and easy-to-find fish, its intensive farming and poor diet give it an unfavorable nutritional profile.
Main hazard: Presence of chemical residues.
Originating primarily from Southeast Asia, it is often raised in contaminated waters. Many studies have found antibiotics and pesticides in its meat.