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   Studies on Length-Weight and Length-Length Relationships of A Catfish Eutropiichthyes Vacha Hamilton (Schilbeidae: Silurifo- Rmes) From Indus River, Sindh, Pakistan  
نویسنده سومارو ن ا ,بلوچ ا و ,جعفری ه س ,سوزوکی ه
منبع Caspian Journal Of Environmental Sciences - 2007 - دوره : 5 - شماره : 2 - صفحه:143 -145
چکیده    Present study describes the length-weight (lwr) and length-length (llr) relationships of a freshwater catfish eutropiichthyes vacha hamilton from indus river, sindh, pakistan. a total of 281 specimen of e. vacha were collected from fisherman’s catch from february 2005 to january 2006, are used for this study. the parameters a and b of the length-weight relationship were calculated as w= alb are presented. the values for allometric coefficient b of the lwr were close to isometric value for male (b = 3.159) and combined values for both sexes (b = 3.053). however, it suggested negative allometric growth for females (b = 2.973). results for llrs indicated that these are highly correlated (r2 > 0.9) p < 0.0001.
کلیدواژه Catfish ,Eutropiichthyes Vacha ,Indus River ,Length-Weight ,Length-Length ,Relationships

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