Mantis shrimp (Harpiosquilla raphidea) is a commercially valuable fishery commodity landed in the coastal area of Sungsang, Banyuasin Regency, South Sumatra. Anthropogenic activities in coastal and estuarine environments may contribute to heavy metal contamination, particularly cadmium (Cd) and zinc (Zn), which can accumulate in aquatic organisms and pose potential risks to human health. This s…