How many calories are in one fish head?
                                
                                
                                •
                                
                                
                        
                                    
                                    6 min read                                
                            
                                The nutritional content of fish by-products is often overlooked, yet fish heads contain a wealth of nutrients, including omega-3 fatty acids and protein. The exact number of calories in one fish head, however, can vary significantly depending on the species and how it is prepared.