Environmental pollution, particularly from heavy metals due to industrial progress, is a global concern, especially in developing regions where coastal pollution affects livelihoods. The presence of chemical pollutants in dietary products raises alarms for policymakers. Marine fish are crucial for nutrition, providing essential proteins and omega-3 fatty acids, making it vital to assess seafood quality for both consumption and export. A study analyzed four commonly consumed fish species from the Chettuva landing center in Thrissur, finding that Euthynnus affinis had higher nutrient values...