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Revista de Biología Tropical

On-line version ISSN 0034-7744Print version ISSN 0034-7744


ALVARADO-CASTILLO, Reyna  and  FELIX-URAGA, Roberto. Crecimiento de Istiophorus platypterus (Pisces: Istiophoridae) en la boca del Golfo de California. Rev. biol. trop [online]. 1998, vol.46, n.1, pp.115-118. ISSN 0034-7744.

Specimens (733) of Istiohporus platypterus caught by sport fishing in the southern of the California Gulf were measured. The fourth spine of the dorsal fin was collected to estimate the age and individuals from 1 to 8 years were found. The majority of the specimens were between 180 and 210 cm in lower jaw-fork length. The Bertalanffy growth ecuation estimated using length was:  Lt=203.6[-e-08(t+0.0015)]. Growth was shown to very fast in the early years.

Keywords : Sailfish; growth; California Gulf; age; Istiophorus platypteru.

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