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Length-Weight Parameters for Rhaphiodon vulpinus
Length-weight (log a vs b) graph
    [n=4]
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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
0.00387 3.146   unsexed 20.5 - 55.8 SL  0.960  0.028 0.0436 600  Brazil Madiera River, Amazon / 2008-2011 
0.00310 3.230   unsexed 13.9 - 64.0 SL  0.951      1420  Brazil Itaipu Reservoir, Paraná, 1983-89 
0.00290 3.260   unsexed 19.3 - 64.5 SL  0.970  0.170 0.2863 52  Brazil Iguatemi River / 2006-2008 
0.00110 3.370   unsexed 22.0 - 69.0 TL  0.974  0.120 0.1963 76  Brazil Xingu River basin / 2012-2014 
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Preliminary parameter estimates are provided below, based on your selection of studies and weighted by the scores.
You may want to exclude or give less weight to studies that are far from the regression line in the graph.
Selected studies = 4, geometric mean a = 0.0025, mean b = 3.25, SD log10(W) = 0.098, SD log10(a) = 0.2105 SD b = 0.0806
Estimate weight for given length: (cm) = (g) 95% range - (g)
Search for more references on length-weight:    Scirus
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