What is the unhealthiest fish to eat?
                                
                                
                                •
                                
                                
                        
                                    
                                    4 min read                                
                            
                                According to the U.S. Food and Drug Administration (FDA) and the Environmental Protection Agency (EPA), certain fish species, primarily large predators, contain the highest levels of methylmercury, a potent neurotoxin. This raises the critical question of what is the unhealthiest fish to consume and why, impacting dietary choices for vulnerable populations like children and pregnant women.