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Free Content Age and growth of the searobin (Prionotus punctatus) in Brazilian waters

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Age and growth of the searobin, Prionotus punctatus (Bloch, 1797), caught in Brazilian waters was studied by analyzing growth increments in the sagittal otolith. Analysis of marginal band (opaque or translucent) validated annual deposition of otolith growth increments. Two types of error formulations (additive and multiplicative) were used to fit growth models to age-length data. The generic model of Schnute was used as a tool to compare different specific growth models, and the von Bertalanffy model was the most parsimonious. The relationship between k and L for females and males differed; females grew somewhat more quickly and reached greater lengths than males. L estimates ranged from 42–51 cm for females and from 36–43 cm for males. k estimates ranged from 0.07–0.14 for females and from 0.06–0.12 for males.

Document Type: Research Article

Publication date: July 1, 2004

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  • The Bulletin of Marine Science is dedicated to the dissemination of high quality research from the world's oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine affairs, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, and meteorology and physical oceanography.
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