How do toxins and heavy metals get into fish?
According to experts, the accumulation of heavy metals in marine organisms is caused by several main reasons.
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It is not only industrial emissions of carbon dioxide and other pollutants and overall environmental pollution, but also the consequences of past wars. For example, ships sunk during the Second World War can still release toxins into the waters of the Baltic Sea.
This pollution enters the water and settles deeper, so the greatest danger is posed by deep-sea marine organisms.
Which fish species have entered the danger zone?
Experts explained that precisely because of the deep-sea lifestyle and long-term accumulation of toxins, tuna traditionally remains the leader of this anti-rating.
“By the way, that is why tuna is not recommended for pregnant women and children,” noted J. Sidorenko.
However, the risk arises not only when choosing tuna. Elevated mercury levels have sometimes been found in other fish usually considered safe:
mackerel;
sea perch;
scad.
Source: unian.net
