Histopathological alterations in the liver of Channa punctatus when exposed to Mercury
Live specimens of Channa punctatus were collected, after acclimatization they were chronically exposed to sublethal concentrations of mercuric chloride for 15 and 30 days. On exposure fish liver histology showed hepatic congestion and distinct cell boundaries were found to be destroyed. Liver also showed increases in the size of hepatic sinusoids. These effects were dose and duration dependents. With the increase of exposure period to 30 days the effects of lesions were also increased.