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International Journal of Fisheries and Aquatic Studies
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P-ISSN: 2394-0506, E-ISSN: 2347-5129

International Journal of Fisheries and Aquatic Studies

2017, Vol. 5, Issue 1, Part A

Scanning electron microscopy (SEM) of scale of freshwater exotic fish, Ctenopharyngodon idella exposed to organochlorine pesticide, endosulfan


Author(s): Dr. Renu Bala Singla

Abstract: The effect of pesticide on scales Ctenopharyngodon idella has been studied using scanning electron microscopy. The test fish was exposed to different sublethal concentrations (0.0007mg/L and 0.001mg/L) of organochlorine pesticide, endosulfan for 15, 30 and 45 days. The scales of exposed fish showed significant alterations such as damaged radii, broken circuli, structural loss in the focal region, broken, uprooted lepidonts/tubercles and even their sloughing off in rows from their point of attachment to the circuli. The intensity of damage to scale was found to be dose and exposure period dependent. It can thus be suggested that this noninvasive technique is very helpful for evaluating the health status of an aquatic body and could be incorporated into water monitoring surveillance.

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International Journal of Fisheries and Aquatic Studies
How to cite this article:
Dr. Renu Bala Singla. Scanning electron microscopy (SEM) of scale of freshwater exotic fish, Ctenopharyngodon idella exposed to organochlorine pesticide, endosulfan. Int J Fish Aquat Stud 2017;5(1):05-09.
International Journal of Fisheries and Aquatic Studies

International Journal of Fisheries and Aquatic Studies

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