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Status of Cat Fish Diversity of River Kelo and Mand in Raigarh District, CG, India

Author Affiliations

  • 1Department of zoology, K. Govt. Arts and Science College, Raigarh, CG, INDIA
  • 2 Govt. Niranjan Kesherwani College, Kota, Bilaspur, CG, INDIA

Int. Res. J. Biological Sci., Volume 1, Issue (1), Pages 71-73, May,10 (2012)

Abstract

Fishes are one of the most significant aquatic fauna which is directly or indirectly related with human health and wealth. Hence biodiversity and its conservation are regarded as one of the major issue of enabling sustainable use of natural resources. It is necessary and need of the day to protect icthyofaunal diversity in their natural habitat. Raigarh district is blessed with two main rivers Kelo and Mand and are the left tributaries of the Mahanadi river. Our freshwater fish diversity is poorly studied and some areas are still untouched and there is no proper documentation on freshwater fish resources of Raigarh district. Due to irrational fishing practices, industrial discharge, sewage discharge, deforestation, mining activities and other anthropogenic activities over the year this captive fish diversity is on a decline. The study area includes river Mand from Tarapur to Chandrapur and river Kelo from Lakha (dam constructing site) to Padigaon area, about twenty five kilometer down stream is supported with few number of economically important species of cat fishes. Higher cat fish diversity is observed after mansoon season. River Mand and Kelo of Raigarh district is rich in fish fauna but the status of cat fishes is the most average. We presently recorded 17 species of cat fishes from 12 genera and 6 families during the period of July 2010 to March 2011 when rivers has sufficient water. Diversity index was lowest in March and highest in October in the year.

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