Abstract
Fish play an important role in human nutrition and therefore need to be carefully and routinely monitored to ensure that there are no high levels of heavy metals being transferred to human through their consumption. This study has been carried out to determine level of heavy metals (Cu, Pb, and Cd) in water and angel fish, Chelmon rostractus collected from coast of Batam. We report levels of Cu, Cd and Pb in water and angel fish from Coast Batam using Atomic Absorption Spectroscopy (AAS). Level of heavy metals obtained in water and fishes were fluctuative. Cu was obtained in both, water and fish muscles. Level of Cu in fishes muscle still under the permissible limit, but it was exceeded permissible limit for water. Cd not detected in water, but it was obtained in fish muscles. Level of Cd in fishes from Tanjung Pinggir site was exceeded permissible limit. High level of Pb was found in water and fish muscles. Level of Pb in water and fish muscles were exceeded permissible limit. It is indicated that the coast Batam has contaminated with Cu, Pb and Cd. Key words: heavy metals, angel fish, marine pollution, Batam coastal
Highlights
Nowdays, there have been an increasing of water pollution
This study aimed to evaluate the levels of metals Cu contaminant, Pb and Cd in seawater and Chelmon rostractus of aquatic environment of Chelmon rostractus was chosen because it is the species of fish mostly caught in the trap of sampling sites (Table 1)
Batam Island covers from Sekupang to Port of Sagulung is a center of industry and shipbuilding
Summary
There have been an increasing of water pollution. The aquatic environment was contaminated by such heavy metals. Heavy metal pollution is a major threat to the environment. Some heavy metals often contaminating water are mercury, Cu, Pb, Zn, Sn, As (Ashraf et al, 2012), and Cd (Sarong et al, 2013). Industrial activities, transportation, agriculture and domestic caused heavy metal contamination in open waters (Sarong et al., 2013). Heavy metals that have already been consumed will be bound in the sulfihidril with irreversible bond, so that the metal is fixed and cannot be secreted and in certain concentration, they can have negative effects, depending on the type of metal (Simbolon et al, 2014)
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