Use of flathead mullet (Mugil cephalus) in coastal biomonitor studies: Review and recommendations for future studies

► Mugil cephalus is a popular choice in biomonitor studies, globally. ► A review shows most studies focused on human exposure implications. ► Fish were safe to eat in many places, but problems exist in heavy industry regions. ► Major inconsistencies exist among studies, highlighting a need for standardisation. ► Recommendations will achieve benchmarking and cross-continent comparisons.