期刊名称:International Journal of Fundamental and Applied Sciences
印刷版ISSN:2278-1404
出版年度:2016
卷号:5
期号:1
页码:9-15
出版社:BioMedAsia
摘要:Kokrajhar district of Assam is endowed with myriads of rivers and beels which in turn house a rich variety of fish species. Methodology: The present study deals with the extensive ichthyological field survey conducted over a period of one year from June 2014 to May 2015. Results: The survey revealed the occurrence of inexplicable diversity of fishes representing 77 species distributed under ---9 orders, 26 families and 53 genera. Labeo genus with 7 species was the most diverse follo wed by the genus Channa with 6 species. The fishes were divided into seven broad categories namely Indian major/minor carps, Exotic carps established in Assam, Live fishes, Cat fishes, Feather back, ornamental fishes and river fishes representing 10, 4, 10, 23, 2, 18 and 10 species respectively. Out o f the 77 species recorded 74 were considered as food fish while only 3 species viz. Erethistes pusillus, Tetradon cutcutia and Aplocheilus panchax as not food fishes, 36 were commercially important food fish. Chitala chitala and Tor tor had sport values in addition of being commercially important food fish. Conservation status revealed that Tor putitora was the only fish species that was under endangered category. Apart from this a total of 2, 10, 47, 16 and 1 species represented vulnerable, near threatened, least concerned, not evaluated and data deficient categories respectively