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Title: Gonadal development in striped jack Pseudocaranx dentex (Bloch & Schneider, 1801) in Canary Islands coastal waters
Authors: Guirao, Rafael
Socorro, J. A.
Reyes, T.
Roo Filgueira, Francisco Javier 
Fernández Palacios, Hipólito 
Izquierdo López, María Soledad 
UNESCO Clasification: 2510 Oceanografía
Keywords: Pseudocaranx dentex
Gonadal development
Issue Date: 2005
Journal: Boletín - Instituto Español de Oceanografía 
Abstract: The striped jack Pseudocaranx dentex (Block & Schneider, 1801) is a common species associated with commercial ongrowing floating cages for seabream Sparus aurata L., 1758 and seabass Dicentrarchus labrax (L., 1758) in the Canary Islands. In order to explore the potential of this species for aquaculture, a study of their annual reproductive cycle has been carried out. For an entire year, gonadal samples and morphometric parameters from wild specimens were studied. Water temperatures and photoperiod, measured at the moment of sampling, were recorded. Macro- and microscopic analysis of the gonads, together with the evolution of the gonadosomatic index (GSI) and the condition factor (CF), made it possible to establish the annual maturation cycle. Oocytes in advanced vitellogenic stages were found between May and November, suggesting a long spawning period for this species in coastal waters of the Canary Islands.
ISSN: 0074-0195
Source: Boletin - Instituto Espanol de Oceanografia [ISSN 0074-0195], v. 21 (1), p. 271-282
Appears in Collections:Actas de congresos
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