Annual reproductive cycle and fecundity of <i>Scorpaena notata</i> (Teleostei, Scorpaenidae)

Marta Muñoz; Maria Sàbat; Silvia Vila; Margarida Casadevall

doi:10.3989/scimar.2005.69n4555

Annual reproductive cycle and fecundity of Scorpaena notata (Teleostei, Scorpaenidae)

Authors

Marta Muñoz Àrea de Zoologia, Departament de Ciències Ambientals, Universitat de Girona
Maria Sàbat Àrea de Zoologia, Departament de Ciències Ambientals, Universitat de Girona
Silvia Vila Àrea de Zoologia, Departament de Ciències Ambientals, Universitat de Girona
Margarida Casadevall Àrea de Zoologia, Departament de Ciències Ambientals, Universitat de Girona

DOI:

https://doi.org/10.3989/scimar.2005.69n4555

Keywords:

scorpionfish, reproduction, annual cycle, fecundity

Abstract

Scorpaena notata (Teleostei: Scorpaenidae) is an oviparous species with external fertilisation that shows some unusual features in its gonadal morphology and gametogenesis. In this work we analyse the annual reproductive cycle and the fecundity of this species by studying the monthly histological changes in the gonads and of various indices related to reproduction. Sexual dimorphism does not occur in the population we studied, which is clearly dominated by males. Multiple spawning takes place between July and October, consisting of between 6,000 and 33,000 eggs per female, each of about 500 µm in diameter. The fecundity of the species is determined by the size and weight of the individuals

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Published

2005-12-30

How to Cite

Muñoz M, Sàbat M, Vila S, Casadevall M. Annual reproductive cycle and fecundity of Scorpaena notata (Teleostei, Scorpaenidae). Sci. mar. [Internet]. 2005Dec.30 [cited 2024Apr.23];69(4):555-62. Available from: https://scientiamarina.revistas.csic.es/index.php/scientiamarina/article/view/284

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Issue

Vol. 69 No. 4 (2005)

Section

Articles

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