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Soomro, A., Baloch, W., Jafri, S., Suzuki, H. (2007). Studies on length-weight and length-length relationships of a catfish Eutropiichthyes vacha Hamilton (Schilbeidae: Silurifo-. Caspian Journal of Environmental Sciences, 5(2), 143-145.
A.N. Soomro; W.A. Baloch; S.I.H. Jafri; H. Suzuki. "Studies on length-weight and length-length relationships of a catfish Eutropiichthyes vacha Hamilton (Schilbeidae: Silurifo-". Caspian Journal of Environmental Sciences, 5, 2, 2007, 143-145.
Soomro, A., Baloch, W., Jafri, S., Suzuki, H. (2007). 'Studies on length-weight and length-length relationships of a catfish Eutropiichthyes vacha Hamilton (Schilbeidae: Silurifo-', Caspian Journal of Environmental Sciences, 5(2), pp. 143-145.
Soomro, A., Baloch, W., Jafri, S., Suzuki, H. Studies on length-weight and length-length relationships of a catfish Eutropiichthyes vacha Hamilton (Schilbeidae: Silurifo-. Caspian Journal of Environmental Sciences, 2007; 5(2): 143-145.

Studies on length-weight and length-length relationships of a catfish Eutropiichthyes vacha Hamilton (Schilbeidae: Silurifo-

Article 11, Volume 5, Issue 2, Spring 2007, Page 143-145  XML PDF (120 K)
Authors
A.N. Soomro 1; W.A. Baloch2; S.I.H. Jafri3; H. Suzuki2
12*, , Department of Fresh Water Biology and Fisheries, University of Sindh, Jamshoro-76080, Sindh, Pakistan
2Laboratory of Aquatic Resource Science, Fisheries Faculty, Shimoarata 4-50-20 Kagoshima University, Kagoshima 890-0056 Japan
3Laboratory of Aquatic Resource Science, Fisheries Faculty, Shimoarata 4-50-20 Kagoshima University, Kagoshima 890-0056
Abstract
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.
Keywords
catfish; Eutropiichthyes vacha; Indus river; length; weight; relationships
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