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Reproductive characteristics of the sand sole Pegusa lascaris (Soleidae), from the eastern-central Atlantic

Published online by Cambridge University Press:  14 May 2008

José G. Pajuelo  and
José M. Lorenzo
José G. Pajuelo*
Affiliation:
Departamento de Biología, Universidad de Las Palmas de Gran Canaria, Campus Universitario de Tafira, 35017 Las Palmas de Gran Canaria, Spain
José M. Lorenzo
Affiliation:
Departamento de Biología, Universidad de Las Palmas de Gran Canaria, Campus Universitario de Tafira, 35017 Las Palmas de Gran Canaria, Spain
*
Correspondence should be addressed to: José G. Pajuelo Departamento de BiologíaUniversidad de Las Palmas de Gran CanariaCampus Universitario de Tafira 35017 Las Palmas de Gran CanariaSpain email: jpajuelo@dbio.ulpgc.es
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Abstract

The reproductive biology of 1318 sand sole, Pegusa lascaris, was investigated. This species is a gonochoristic species with no evidence of sexual dimorphism. The overall sex-ratio was 1 male to 0.92 females. Females predominate in the larger size intervals, with a significant difference in mean standard length and range between sexes. Size at first maturity for males and females is attained at 17.2 and 17.7 cm standard length, respectively. Vitellogenesis does not begin synchronously for all females, as a consequence the spawning season appears to be continuous. In each female spawning takes place in two batches which are spawned mainly in spring and autumn, indicating that fish are serial synchronous spawners.

Keywords

sexualityreproductionPegusa lascarisCanary Islands
Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 88 , Issue 3 , May 2008 , pp. 629 - 635
Copyright
Copyright © Marine Biological Association of the United Kingdom 2008

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