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Length-Weight Parameters for Oreochromis niloticus
Length-weight (log a vs b) graph
   [n=37]
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a b Country Locality
Score a b Doubtful? Sex Length (cm) Length
type
r2 SD b SD log10 a n Country Locality
0.20000 2.090 Yes  mixed       0.903      651  Ethiopia Lake Zeway 
0.13931 2.144 Yes  mixed 5.2 - 21.7 FL  0.939      480  Pakistan Chashma Barrage, 2014-2014 
0.04570 2.660   male 14.0 - 18.5   0.902  0.220   60  Pakistan Indus River, southern Punjab, 2006-2009 
0.02400 2.693   unsexed 8.0 - 27.5 SL  0.941  0.033   1006  Ivory coast Ayamé I / 2004-2005. 
0.02400 2.696 Yes  unsexed 6.8 - 26.6 SL  0.938  0.697   135  Ivory coast River Bia (1995-97); Rivers Soumié, Eholié, Ehania and Noé, 2003-2005 
0.02510 2.700   unsexed     TL  0.950      2007  Nigeria Cross River inland wetlands / 2004-2006. 
0.03930 2.720 yes  mixed 9.1 - 18.5   0.910  0.150   125  Pakistan Indus River, southern Punjab, 2006-2009 
0.09930 2.720 Yes  Unsexed 17.0 - 29.0 SL  0.925      14  Burkina Faso Mouhoun, Volta River, 1980-81 
0.04240 2.742   unsexed 13.0 - 32.0 TL  0.941      680  Ethiopia Lake Tana, 1992-93 
0.03640 2.750   female 9.1 - 17.9   0.907  0.220   65  Pakistan Indus River, southern Punjab, 2006-2009 
0.02100 2.759   unsexed 4.0 - 33.0 SL  0.952  0.049   650  Ivory coast Buyo / 1997-1998. 
0.03303 2.799   unsexed 7.5 - 26.5 TL  0.961      18  Benin Ouémé River Basin, 1999-2001 
0.03770 2.800   unsexed     TL  0.972      96  Burkina Faso Hippopotamus Pond 
0.03660 2.844   unsexed 15.0 - 53.0 TL  0.980      1741  Bangladesh Kaptai Lake, 1995-96 
0.02200 2.856   unsexed 6.4 - 18.4 TL  0.987  0.485   25  Benin Couffo River/2018-2021 
0.03510 2.864   unsexed 12.6 - 46.1 TL        146  Tanzania Lake Victoria, 1973-75 
0.01700 2.870   unsexed 1.0 - 7.9 TL  0.980  0.460   25  Brazil Marica, Sacuarema, Araruama coastal lagoons, South western Brazil / 2011. 
0.03690 2.899   unsexed 13.5 - 44.0 TL  0.986      63  Indonesia Jatiluhur Reservoir, West Java 
0.02500 2.900   mixed             761  Ethiopia Lake Zeway 
0.02350 2.908   unsexed 4.0 - 23.1 FL  0.980      191  Kenya Lake Baringo, 2004-05 
0.05200 2.937   unsexed 5.0 - 28.3 SL  0.986  0.072 0.0628 95  Mexico Grijalva River in Chiapas / 2006, 2009 
0.02300 2.954   unsexed 22.1 - 35.8 TL  0.968      28  Congo Dem Rp Lake Edward, 1989 
0.03850 2.960   female     SL  0.976        China China 
0.03480 3.020   mixed     SL  0.980        China China 
0.03600 3.040 yes  juvenile 4.0 - 21.3 SL  0.970  0.060 0.0512 386  Philippines Pampanga River, Candaba, 2007-2008 
0.03050 3.050   unsexed 1.3 - 8.2 SL  0.978  0.080 0.0356 142  Brazil Taquari River, Paranapanema Basin / 2011-2013. 
0.02990 3.060   male     SL  0.941        China China 
0.01200 3.071   unsexed 0.9 - 6.4 TL  0.965  0.070 0.0378 277  Brazil Mundaú River Basin / 2015. 
0.01610 3.073   unsexed 4.8 - 52.0 TL        415  Tanzania Mwanza and Speke Gulfs, Lake Victoria, 1988-90 
0.01337 3.130   unsexed 4.5 - 29.1 TL  0.994  0.050 0.0613 91  China Hongshui River / 2009-2013 
0.01460 3.130   unsexed 10.0 - 44.0 TL  0.998  0.294   57  India Panchet Reservoir / 2014, 2016. 
0.01690 3.133 yes  juvenile 8.3 - 19.5 TL  0.958      15  Nigeria Kainji Lake 
0.00990 3.220   unsexed 9.0 - 26.4 TL  0.990  0.260 0.3522 10  Brazil Guandu River / 2010-2011 
0.01000 3.233   unsexed 1.5 - 25.2 TL  0.987  0.098 0.0969 60  Brazil Mundaú River Basin / 2015. 
0.03100 3.250   unsexed 11.5 - 47.0 TL  0.967  0.090 0.1489 261  Philippines Agusan Marsh / 2011 
0.01060 3.258 yes  juvenile 4.3 - 22.0 TL  0.972      612  Philippines Muñoz, Central Luzon 
0.00940 3.278   unsexed 8.0 - 16.0 TL          Thailand Lakes, swamps, and reservoirs in major river systems throughout Thailand 
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