2008
DOI: 10.1590/s0073-47212008000100010
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Crescimento de Callinectes sapidus (Crustacea, Decapoda, Portunidae) no estuário da laguna dos Patos, RS, Brasil

Abstract: ABSTRACT. Growth of Callinectes sapidus (Crustacea, Decapoda, Portunidae) in the estuary of the Patos Lagoon, RS, Brazil. Using modal progression analysis for indirect age determination, growth of the blue crab Callinectes sapidus Rathbun, 1896 was estimated for two fishery areas of the Patos Lagoon. Individuals were sampled using a conventional gear of the artisanal fishery -trawl net -from February, 2005 to March, 2006 in 'Saco da Mangueira' and 'Saco do Arraial'. A total of 2,609 (1,194 males and 1,416 fema… Show more

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Cited by 12 publications
(7 citation statements)
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“…The longevity found in this study for L. ferreirae males and females was higher than the longevity found with the same estimation methods for Callinectes sapidus Rathbun, 1896 (3.02 to 3.27 years for males and 3.16 to 3.24 years for females) by Ferreira and D'Incao (2008). This crab experiences reproduction and growth constantly, bringing a high metabolic expense to the individual which naturally shortens its life span.…”
Section: Spider Crab's Growthcontrasting
confidence: 56%
“…The longevity found in this study for L. ferreirae males and females was higher than the longevity found with the same estimation methods for Callinectes sapidus Rathbun, 1896 (3.02 to 3.27 years for males and 3.16 to 3.24 years for females) by Ferreira and D'Incao (2008). This crab experiences reproduction and growth constantly, bringing a high metabolic expense to the individual which naturally shortens its life span.…”
Section: Spider Crab's Growthcontrasting
confidence: 56%
“…Para os crustáceos, o estudo da curva de crescimento pode ser feito por meio de cultivo da espécie ou pelo acompanhamento das coortes etárias resultantes da distribuição de freqüências dos organismos em função do tempo (FONTELES-FILHO 1987). O modelo matemático proposto por VON BERTALANFFY (1938) tem se mostrado eficaz no ajuste dos pontos empíricos e tem sido usado com sucesso no cálculo do crescimento de diversos crustáceos (D'INCAO et al 1993, FONTOURA & BUCKUP 1989, SAMPAIO & VALENTI 1996, BUENO et al 2000, NORO & BUCKUP 2003, CASTIGLIONI et al 2004, DUMONT & D'INCAO 2004, PINHEIRO & TADDEI 2005, SILVA-CASTIGLIONI et al 2006, BOOS JR et al 2006, FERREIRA & D'INCAO 2008.…”
unclassified
“…All chosen cohorts were adjusted to the von Bertalanffy growth model (von Bertalanffy, 1938), namely CL t = CL ∞ [1–e − k (t−t 0 ) ], in which CL t is the carapace length at age t; CL ∞ is the asymptotic size, k is the growth coefficient and t 0 is the theoretical age the organism would have at size zero. These growth parameters were adjusted for each cohort using Solver supplement in Microsoft Excel, varying only k and t 0 in the equation (D'Incao & Fonseca, 1999; Ferreira & D'Incao, 2008). In the study area, only juveniles and sub-adults were captured, that is, we did not obtain adult individuals with maximum carapace lengths found in nature.…”
Section: Methodsmentioning
confidence: 99%