Multivariate analysis and risk assessment associated with the consumption of carnivorous fish obtained from southwest Caspian Sea.
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Potentially toxic elements such as Cd or Pb are serious pollutants in aquatic ecosystems, accumulating in fish and posing risks to humans. Our study analyzed 10 such elements in the muscle tissue of eight carnivorous fish species from the Caspian Sea. The differences between species were minor. However, higher levels of mercury were found in larger species. The concentrations of cadmium and lead determined were high, which led to the risk analysis giving a concerning result for children. Inorganic arsenic posed an acceptable cancer risk. Overall, our findings underscore the need for constant monitoring of the area to safeguard both aquatic ecosystems and human health.