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Table 4 Heavy metal concentration (mg/kg) in Fishes cultured nearby the area of tannery complex in the river Buriganga

From: Contamination status and health risk assessment of trace elements in foodstuffs collected from the Buriganga River embankments, Dhaka, Bangladesh

Metals Spotted snakehead (n = 9) Tatina (n = 9) MozambiqueTalipia (n = 9) Safe limit
Cu 2.84 (2.77-2.93) 3.15 (3.02-3.28) 3.05 (2.92-3.24) 30
Co 9.09 (9.01-9.14) 9.04 (9–9.08) 8.17 (7.96-8.44) -
Fe 83.48 (83.15-83.89) 93.53 (93.25-93.96) 217.49 (194–235) 100
Zn 24.70 (24.42-24.98) 30.12 (3.02-3.28) 24.52 (24.37-24.64) 100
Mn 11.75 (7.74-16.27) 6.35 (6.28-6.43) 10.35 (10.03-10.75) 1
  1. n: number of samples.
  2. Safe limit: WHO ([1989]).