TITLE

Reproducción y crecimiento del pargo mancha Lutjanus guttatus (Pisces: Lutjanidae) en el Golfo de Nicoya, Costa Rica

AUTHOR(S)
Rojas, Rosa L. Soto; Mejía-Arana, Fernando; Palacios, J. A.; Hiramatsu, Kazuhito
PUB. DATE
March 2009
SOURCE
Revista de Biología Tropical;mar-jun2009, Vol. 57 Issue 1/2, p125
SOURCE TYPE
Periodical
DOC. TYPE
Article
ABSTRACT
The fish Lutjanus guttatus is important in the fisheries of Golfo de Nicoya, Costa Rica where they are captured with varied gear mainly by the artisanal fleet. We measured specimens from the commercial catch of 2002-2006. Gonadal state was determined macroscopically and age with otoliths The total length-total weight relationship was y = 0.0236x2.8153 and total length-eviscerated weighty = 0.021 6x2.8129. Simplified relationships were y = 0.0173x3 and y = 0.0162x3. There is year-round reproduction with peaks in March (dry season) and September (rainy season). Male-female sexual ratio was 1:1. The age-length key for the gulf shows availability until the 6 years of age. The von Bertalanffy growth curve is L (t) = 65,9 (1-e -0.13(t+2.66)).
ACCESSION #
43821089

 

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