A comprehensive review on chromium induced alterations in fresh water fishes

•Cr(VI) causes behavioural, histological, immunological changes in fresh water fishes.•Cr(VI) induces formation of micronuclei, binucleated cell and DNA breakage in fish RBC.•It also induces endocrine disruption in fish altering action of T3, T4, TSH and cortisol etc.•Chronic exposure of Cr(VI) results in hyperglycemia and hyperlactamia in fishes.•Enzymological activity has been found to be altered due to chronic exposure of Cr(VI).