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River pollution has been a major problem in Bangladesh as industrial growth has led to increase which use lot of chemicals as raw materials. Moreover, anthropogenic activities continuously increase the amount of heavy metals in the water bodies especially in the lakes, canals, rivers and in aquatic organisms which is an alarming rate and has become an worldwide problem (Malik et al. 2010). Aquatic organisms such as fish and shell fish accumulate metals to concentrations many times higher than present in water or sediment (Gumgum et al. 1994). The river port of Narayanganj is one of the oldest ports in Bangladesh. There are also a number of industrial units on its banks, including the cement factory, jute mills etc. Industrial effluent dumped into the river resulting in high levels of pollution is a cause for concern (Murshed 2012). For this reason, the investigation of physico-chemical parameters of water and heavy metal contamination in water and fishes of the Shitalakhya river is essential since even slight changes in their concentration above the acceptable levels can result in serious environmental and subsequent health problems. With this incentive, the present study was attempted to investigate the status of heavy metal pollution in water and fish of the Shitalakhya river near Narayanganj city.

Heavy metal contamination in water and fishes from the Shitalakhya river at Narayanganj, Bangladesh