Is Surmai High in Mercury? What You Need to Know
                                
                                
                                •
                                
                                
                        
                                    
                                    4 min read                                
                            
                                According to the U.S. Food and Drug Administration (FDA), King Mackerel, known as surmai, is listed among fish with higher mercury levels. This fact has led to consumer concerns, particularly for vulnerable groups, about whether it is safe to eat surmai high in mercury.