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Length-Weight Parameters for Sphoeroides testudineus
Length-weight (log a vs b) graph
    [n=16]
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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
0.08840 2.604   Unsexed 9.2 - 16.6 TL  0.920      56  Brazil Ilha de Paciência, Maranhão, 2006-2007 
0.09900 2.683   unsexed 1.8 - 28.0 SL  0.952  0.610   474  Mexico Celestun lagoon, Yucatan, 1990-2006 
0.04670 2.710   Unsexed 2.2 - 18.3 TL  0.942      236  Brazil Northern region (Curuçá Estuary), Pará, 2003-2004 
0.03710 2.720   Unsexed 2.4 - 19.0 TL  0.975      67  Brazil Southeastern region, 1995-1996 
0.03820 2.740   unsexed 9.0 - 25.4 TL  0.990  0.193 0.2338 12  Mexico Terminos Lagoon, Campeche / 2006-2008 
0.00470 2.839   unsexed               Mexico Laguna de Terminos, Gulf of Mexico 
0.00821 2.870   unsexed               USA Biscayne Bay, Florida 
0.02730 2.896   Mixed 3.7 - 18.7 TL  0.991  0.277   98  Grand Cul-de-Sac Marin Bay (Guadelopue) and Bay of Fort-de-France (Martinique) 
0.02230 2.900   unsexed 1.7 - 26.4 TL  0.970  0.060 0.0430 306  Brazil Guaratiba Mangrove / 2002-2003 
0.00230 2.991   unsexed               Mexico Laguna de Terminos, Gulf of Mexico 
0.02290 3.008   mixed 8.3 - 26.4 TL  0.964  0.569 1.6245 68  Brazil Paraná (0°S - 25°S), 2003-2004 
0.00919 3.010   unsexed 11.0 - 20.6 TL  0.954  0.270 0.2583 27  Brazil Parana´ state coast / 2004 - 2005 
0.01640 3.072   unsexed 17.0 - 20.5 TL  1.000  0.014 0.0537 3  USA Southern Florida 
0.01710 3.089   mixed 2.3 - 25.0 TL  0.982  0.396 1.0253 543  Brazil Espirito Santo (0°S - 25°S), 2003-2004 
0.01620 3.132   mixed 2.0 - 17.6 TL  0.992  0.261 0.5735 302  Brazil Pará (0°S - 25°S), 2003-2004 
0.01800 3.143   unsexed 1.4 - 10.5 TL  0.954  0.732   19  Brazil Marapanim River, Para State / 2006-2007. 
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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 = 16, geometric mean a = 0.0229, mean b = 2.90, SD log10(W) = 0.3410, SD log10(a) = 0.3713 SD b = 0.1726
Estimate weight for given length: (cm) = (g) 95% range - (g)
Search for more references on length-weight:    Scirus
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Last modified by d.santos 05/08/14