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Biology of the Critically Endangered Catfish Rita rita


Marketed By :  LAP LAMBERT Academic Publishing   Sold By :  Kamal Books International  
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  • Product Description

The present study aimed to describe the length-weight(LWR), length-length(LLR) relationships, condition factors and feeding behavior for critically endangered catfish of Padma River, north-western Bangladesh, namely Rita rita (Hamilton, 1822). A total of 220 specimens, used for this study were caught by traditional fishing gear from May, 2010 to Oct, 2010. A linear relationship is shown among Total length(TL), Standard length(SL), Fork length(FL), Head length(HL), Snout length(SnL), Pre-dorsal length(PrDL), Post-dorsal length(PoDL), Anal length(AnL) and Anus length(AnsL) and Total body weight(TBW). The sample presented in thesis were large and covered reasonable size ranged from 12.9 cm to 31.9 cm. Most relationships were highly significant with ‘r’ values greater than 0.919. From the length-length relationship equations, it is observed that all length increases with increase of TL which is the expected linear relationship. The allometric co-efficient ‘b’ of the LWR was close to the negative allometric in Rita rita. Their diet consisted of a broad spectrum of food types but crustaceans were dominant, with copepodes constituting 20.7%, other non-copepode crustaceans constituted 12%.

Product Specifications
SKU :COC89091
AuthorSyeda Mushahida-Al-Noor
Number of Pages88
Publishing Year2013-03-23T00:00:00.000
Edition1 st
Book TypeAgriculture & farming
Country of ManufactureIndia
Product BrandLAP LAMBERT Academic Publishing
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-10-08 00:00:00