The metal concentrations in several fish species on the coast of Muara Gembong, Bekasi Regency, West Java, Indonesia

Muara Gembong Beach is part of the eastern area of Jakarta Bay which is still a source of fish consumption for the local community. This study aims to present information about the concentration of metals in several types of fish. The study was conducted in October 2018 at 5 stations, namely the Citarum River, Muara Bendera, Pulau Buaya, Muara Blacan, and Muara Jaya. The parameters measured were copper (Cu), cadmium (Cd), Chromium (Cr), lead (Pb), Zinc (Zn), mercury (Hg), and Arsen (As) in several types of fish consumption sizes, with the local names Kuro ( Eleutheronema tetradactylum ), Keropak ( Hexanematichthys sagor ), Bloso ( Glossogobius giuris ), Samgeh ( Nibea soldado ), Shrimp ( Macrobrachium rosenbergii ), Mujair ( Oreochromis mossambicus ), Patin ( Pangasianodon hypophthalmus ), and detected in fish samples. Zn was detected in all fish samples and research stations, while Cu was detected in shrimp in Muara Blacan and Muara Flag. As detected in Kuro in Muara Jaya, Mujair in Muara Blacan, Shrimp in Muara Bendera. The concentration of Zn, As, and Cu has exceeded the quality standard in biota. Prevention of the entry of waste containing metals into waters, among others, through increasing public regulations and strict sanctions from the government.