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Length-Weight Parameters for Sphoeroides spengleri
Length-weight (log a vs b) graph
    [n=6]
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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
0.20800 2.121   unsexed 4.4 - 11.0 SL  0.887  0.756   99  Mexico Celestun lagoon, Yucatan, 1990-2006 
0.04200 2.610   unsexed 2.0 - 16.0 TL        104  Cuba Southwest Zone 
0.01444 2.730   juvenile 2.1 - 4.6 TL  0.982  0.260 0.1737 12  Brazil Parana´ state coast / 2004 - 2005 
0.02740 2.816   Mixed 1.5 - 12.0 TL  0.988  0.321   38  Grand Cul-de-Sac Marin Bay (Guadelopue) and Bay of Fort-de-France (Martinique) 
0.02350 3.050   mixed 2.3 - 6.6 TL  0.960  0.623 0.9247 38  Brazil Espirito Santo (0°S - 25°S), 2003-2004 
0.01070 3.267   unsexed 2.7 - 30.3 TL  0.960  0.670 1.0119 40  USA Southern Florida 
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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 = 6, geometric mean a = 0.0295, mean b = 2.78, SD log10(W) = 0.1884, SD log10(a) = 0.4156 SD b = 0.3593
Estimate weight for given length: (cm) = (g) 95% range - (g)
Search for more references on length-weight:    Scirus
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