author(s)
Dr. Anitha Jose

abstract
We have a rich biodiversity of fish, and people find fish both as a delicious and nutritious food item, and as a rich source of protein and vital nutrients. Various human interventions in the form of excess industrialization, unethical agricultural practices or such other means would have led to the contamination of our aquatic ecosystems, whether it be marine, freshwater or estuarine, with toxic and other heavy metals. This has deteriorated the fauna, especially fish. Edible fishes thus could form a constant source of bioaccumulation through the food chain. The sources of heavy metal contamination are diverse. Recent literature in this context is discussed and it is advised that proper monitoring of heavy metal contamination of fish be done. Therefore, it is essential that awareness and action programmes be conducted.