Applied Ecology and Environmental Sciences
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Applied Ecology and Environmental Sciences. 2022, 10(8), 527-533
DOI: 10.12691/aees-10-8-5
Open AccessReview Article

A Comprehensive Review on Toxicity of Chromium in Freshwater Fishes

Debkanta Ghosh1, 2, and Dr. Samir Kumar Saha1

1Department of Zoology, West Bengal State University, Barasat , West Bengal

2Department of Zoology, Vidyasagar College for Women, Kolkata

Pub. Date: August 14, 2022

Cite this paper:
Debkanta Ghosh and Dr. Samir Kumar Saha. A Comprehensive Review on Toxicity of Chromium in Freshwater Fishes. Applied Ecology and Environmental Sciences. 2022; 10(8):527-533. doi: 10.12691/aees-10-8-5

Abstract

This review paper aimed to assess the Bioaccumulation and toxicity of chromium and its toxicological effects on freshwater fishes in terms of hematological, biochemical, cytotoxic and genetical parameters. Chromium is considered as the most common pollutant in the aquatic environment. Chromium enters the aquatic environment through different industrial effluents like tanneries, textiles, dyeing, electroplating, medical industries, printing-photographic, etc. Chromium is consumed either via the respiratory system or the digestive tract. Bioaccumulation of chromium depends on several biotic and abiotic factors viz. age, species, developmental phase of the organism, temperature, pH, salinity, and alkalinity of the aquatic medium. Chromium impaired the aquatic environment due to its toxic effect on aquatic life. Different research reviews indicated toxicity of chromium in freshwater fishes at a hematological level like a decrease in hemoglobin percentage, RBC, and WBC total count. At the biochemical level, the decline in the total content of lipids and proteins was detected. At the enzyme activity level, the decline in the ROS, SOD level, etc. Chromium is also carcinogenic proved by many studies. The main objective of this review is to provide a future guideline for the scientific society involved in chromium toxicity in freshwater fish research to ensure a better environment for fish health.

Keywords:
chromium toxic effect bioaccumulation freshwater fish

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